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Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
A Review on the Phytochemistry and Pharmacology of Genus<br />
Tephrosia<br />
Saad Touqeer 1,* , Muhammad Asad Saeed 1 , Muhammad Ajaib 2<br />
1 Department of Pharmacy, The University of Lahore, Lahore, Pakistan.<br />
2 Department of Botany, GC University, Lahore, Pakistan.<br />
* Corresponding author: saadtouqeer@gmail.com; Tel: +92-322-4899048<br />
Received: 2 March 2013, Revised: 2 May 2013, Accepted: 9 May 2013<br />
Abstract<br />
Introduction<br />
The plants of genus Tephrosia of family Leguminosae are widely distributed in<br />
many tropical and subtropical countries of the world and have been used in folk<br />
medicine for the treatment of large number of diseases. The importance of this genus<br />
is similar to that of other therapeutically renowned genera. This review includes<br />
the chemical studies on different species mainly the isolation and identification of<br />
flavonoids, rotenoids and study of activity of some isolated compounds and also<br />
includes diffe-rent pharmacological activities like antioxidant, antimicrobial, anticancer,<br />
antiplas-modial, anti-inflammatory, larvicidal and toxicity studies of extracts<br />
and fractions.<br />
Keywords: Tephrosia; Flavonoids; Rotenoids; Phytochemistry; Pharmacology;<br />
Acivity.<br />
Plants have been used for the treatment of diseases from centuries. Natural product<br />
chemistry, especially phytochemistry, has become a topic of interest for most of the researchhers<br />
due to the advantages of the plant derived medicinal compounds over the traditional<br />
ways of using herbal plants. Ethnopharmacology plays an important role in the discovery of<br />
new biologically active compounds. The process usually starts with searching of useful<br />
plants from different records to the development of methods for the industrial production of<br />
drugs (Rout et al., 2009; Farnsworth et al., 1985; Koehn and Carter, 2005). According to<br />
World Health Organization (WHO) more than 80% of the world’s population uses plants for<br />
the treatment of their diseases (Calixto et al., 1998; Duraipandiyan et al., 2006).<br />
The genus Tephrosia belongs to the family Leguminosae and subfamily Papilionaceae.<br />
There are approximately 400 species included in this genus. The plants in this genus are<br />
widely distributed in tropical, sub-tropical and arid regions of the world (Willis, 1973; Al-<br />
598<br />
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Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
Zahrani, 2007). The plants are prostate or erect herbs or in the form of soft or woody shrubs<br />
(Hacker, 1990). The base chromosome number of this genus is X=11 and are placed in the<br />
tribe Galegeae of the family Leguminosae (Atchison, 1951; Agarwal and Gupta 1983). Many<br />
plants from this genus have been used traditionally for the treatment of diseases like rheumatic<br />
pains, syphilis, dropsy, stomach ache, diarrhea, asthma, abortifacient, respiratory disorderrs,<br />
laxative, diuretic, and inflammation etc (Qureshi et al., 2010; Dzenda et al., 2007). Tephrosia<br />
purpurea, an important plnt of the genus is used as tonic, laxative, antivenom, antiulcer,<br />
antidiarhheal, and in leprosy (Virupanagouda et al., 2011).<br />
The main purpose of this review is to provide a comprehensive and up-to-date knowledge<br />
of the pharmacological and phytochemical research work performed on the genus Tephrosia.<br />
The plants of this genus have a large potential for study of its activities and chemical<br />
constituents for important leads.<br />
Chemical constituents from plants of genus Tephrosia<br />
A great variety of plants belonging to genus Tephrosia have been studied for their<br />
chemical constituents and pharmacological activities. The number of species studied phytochemically<br />
are much more than those studied pharmacologically. Different classes of organic<br />
compounds have been isolated of which some have been tested for their biological activities<br />
and some still unknown for their effect. The main classes of compounds include flavonoids,<br />
rotenoids, terpenoids, and sterols. It should be noted that flavonoids are the most abundantly<br />
isolated and identified compounds in the genus. Similarly in case of essential oil and fixed<br />
oil, we can see that very little work has been done by the scientists. Tephrosia purpurea, Tephrosia<br />
toxicaria, Tephrosia candida, Tephrosia elata, and Tephrosia villosa have been the<br />
plants of interest for the scientists. The readers will also find some work on the stereochemistry<br />
of compounds. Praecansone A, flavonoid from Tephrosia pumila for example, exists<br />
in the form of two isomers (Dagne et al., 2012).<br />
Table 1 briefly describes all the chemical work done on genus Tephrosia. Readers will<br />
see some novel compounds as well some compounds repeating in many species. Some<br />
chemicals in the table would be familiar to us as they have been isolated from other genera as<br />
well<br />
Table 1. Chemical constituents from plants of genus Tephrosia.<br />
Species Class Compound Reference<br />
Tephrosia abbottiae Flavonoid abbotin Gómez-Garibay et al.,<br />
1986<br />
tephrobotin<br />
Tephrosia aequilata Flavonoid obovatin methyl ether Muiva, 2012<br />
(E)-praecansone A<br />
demethylpraecansone B<br />
3,4:8,9-dimethylenedioxypterocarpan Tarus et al., 2002<br />
Tephrosia apollinea Flavonoid (−)-semiglabrin Waterman and Khalid,<br />
1980<br />
(−)-pseudosemiglabrin<br />
(+)-glabratephrin<br />
(+)-glabratephrinol<br />
appollinine (7-methoxy-8-[3″-(2″,5″dihydro-5″,5″-dimethyl-2″-oxofuryl)]flavone<br />
599<br />
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Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
lanceolatin-A<br />
(+)-apollineanin Hisham et al., 2006<br />
(−)-semiglabrin<br />
(−)-semiglabrinol<br />
Tephrosia barbigera Flavonoid isopongaflavone Vilain, 1983<br />
barbigerone Vilain, 1980<br />
Tephrosia bidwilli Flavonoid (-)-6aR; 11aR-maackiain Ingham and Markham,<br />
1980<br />
(-)-6aS; 11aS-pisatin<br />
(-)-6aR; 11aR-4-methoxy- maackiain<br />
tephrocarpin<br />
Tephrosia<br />
bracteolata<br />
acanthocarpan<br />
Flavonoid isopongaflavone Khalid and Waterman,<br />
1981<br />
trans-tephrostachin<br />
trans-anhydrotephrostachin<br />
obovatin<br />
Tephrosia calophylla Coumestan tephcalostan Hari Kishore et al., 2003<br />
Flavonoid 7-O-methylglabranin<br />
kaempferol 3-O-β-D-glucopyranoside<br />
(2S)-5-hydroxy-7,4'-di-O-(gamma, gamma-<br />
dimethylallyl) flavanone<br />
600<br />
Reddy et al., 2009<br />
6-hydroxy-E-3-(2,5-dimethoxy<br />
benzylidine)-2',5'-dimethoxyflavanone<br />
tephrowatsin C<br />
afrormosin<br />
kaempferol 3-O- β -D-glucopyranoside<br />
Benzil calophione A Ganapaty et al., 2009b<br />
1-(6′-Hydroxy-1′,3′-benzodioxol-5′-yl)-2-<br />
(6″-hydroxy-2″-isopropenyl-2″,3″-dihydrobenzofuran-5″-yl)-ethane-1,2-dione<br />
Coumestan tephcalostan B<br />
tephcalostan C<br />
tephcalostan D<br />
Tephrosia candida Flavonoid candidol Dutt and Chibber, 1983<br />
candidone Roy et al., 1986<br />
ovalichalcone<br />
dehydrorotenone<br />
candidin Parmar et al., 1988<br />
pongachin<br />
flemichapparin-B Roy et al., 1987<br />
Sterol β -sitsterol Parmar et al., 1988<br />
Acid caffeic acid<br />
Rotenoid 12a-hydroxyrotenone Parmar et al., 1988<br />
tephrosin<br />
amorpholone Kole et al., 1992<br />
6a,12,-dehydodeguelin Parmar et al., 1988<br />
12a-hydroxy-β-toxicarol Andrei et al., 1997<br />
deguelin<br />
α-toxicarol<br />
6a,12a-dehydrodeguelin<br />
12a-hydroxy-α-toxicarol, 6a<br />
12a-dehydro-α-toxicarol<br />
6a,12a-dehydro-β-toxicarol<br />
dehydrodihydrorotenone Roy et al., 1987<br />
tephrospirolactone Andrei et al., 2002<br />
tephrospiroketone 1<br />
Tephrosia cinerea Flavonoids and<br />
Phenolics<br />
tephrospiroketone II<br />
demethylapollinin 7-O-β-Dglucopyranoside<br />
apollinin<br />
glabatephrin<br />
semiglabrin<br />
Maldini et al., 2011<br />
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Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
Sesquiterpene<br />
pseudosemiglabrin<br />
3′-O-methyl- methylquercetin<br />
3,7-di-O-rhamnopyranoside<br />
kaempferol 3,7-di-O-rhamnopyranoside<br />
quercetin 3,7-di-O-rhamnopyranoside<br />
3-O-β-glucopyranosylquercetin 7-O-αrhamnopyranoside<br />
3-O-β-xylopyranosylquercetin 7-O-αrhamnopyranoside<br />
3-O-α-arabinopyranosylquercetin 7-O-αrhamnopyranoside<br />
5-O-methylgenistein 7-O-β-Dglucopyranoside<br />
quercetin 3-O-β-glucopyronoside<br />
quercetin 3-O-α-rhamnopyranoside<br />
kaempferol<br />
7-O-methylquercetin<br />
cineroside A<br />
caryophyllene oxide<br />
teclenone B<br />
(1β,7R*)-opposit-4(15)-ene-1,7-diol<br />
Arriaga et al., 2008<br />
Lignan pinoresinol<br />
Tephrosia crassifolia Flavonoid crassifolin<br />
crassichalcone<br />
Gómez-Garibay et al.,<br />
1999<br />
Tephrosia egreria Terpenoid geijerene<br />
pregeijerene<br />
Arriaga et al., 2005<br />
Rotenoid Dehydrorotenone. Arriaga et al., 2009b<br />
Tephrosia elata Flavonoid isopongaflavone<br />
tephrosin<br />
Bentley et al., 1987<br />
8-(3,3-dimethylallyl)-5,7- dimethoxy Lwande et al., 1985a<br />
flavanone<br />
obovatin methyl ether<br />
warangalone<br />
elatadihydrochalcone Muiva, 2012<br />
obovatachalcone<br />
(S)-elatadihydrochalcone Muiva et al., 2009<br />
obovatachalcone<br />
obovatin Muiva et al., 2009; Muiva,<br />
2012<br />
obovatin methyl ether Muiva et al., 2009; Muiva,<br />
2012<br />
Pterocarpan (+)-pisatin Lwande et al., 1985a<br />
(-)- maackiain<br />
Rotenoid deguelin Muiva et al., 2009; Muiva,<br />
2012<br />
rotenone Muiva, 2012<br />
Tephrosia elongata Flavonoid elongatin Smalberger et al., 1975<br />
Tephrosia emoroides Flavonoid emoroidenone Machocho et al., 1995<br />
emoroidone<br />
emoroidocarpan<br />
5-methoxyisolonchocarpin<br />
Flavene hildegardtene<br />
Tephrosia falciformis Flavonoid falciformin Khan et al., 1986<br />
7-hydroxy-8-(γ,γ-dimethylallyl)flavanone<br />
Alcohol triacontanol Khan et al., 1984<br />
Tephrosia fulvinervis Flavonoid fulvinervin C Venkataratnam et al.,<br />
1986<br />
fulvinervin A Venkataratnam et al.,<br />
1986; Venkata et al.,<br />
1985b<br />
fulvinervin B Venkata et al., 1985b<br />
Rotenoid α-toxicarol Dagne et al., 1989<br />
601<br />
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deguelin<br />
munduserone<br />
cis-12a-hydroxymunduserone<br />
Pterocarpan (-)-maackiain<br />
Tephrosia hamiltonii Flavonoid 5, 7-dimethoxy-8-(2, 3-epoxy-3-<br />
Tephrosia<br />
hildebrandtii<br />
Tephrosia<br />
hookeriana<br />
methylbutyl)-flavanone<br />
602<br />
Falak and Shoeb 1987<br />
pongamol<br />
flemichapparin-B<br />
flemichapparin-C<br />
Rajani and Sarma, 1988<br />
Coumestone 2-methoxy-3,9-dihydroxy coumestone<br />
Pterocarpan hildecarpidin Lwande et al., 1987<br />
hildecarpin Lwande et al., 1985b<br />
Flavonoid trans-tephrostachin Lwande et al., 1986<br />
trans-anhydrotephrostachin<br />
Flavonoid hookerianin Prabhakar et al., 1996;<br />
Vanangamudi et al.,<br />
1997b<br />
(−)semiglabrin<br />
lanceolatin A.<br />
tephrorianin Vanangamudi et al.,<br />
1997b<br />
rutin<br />
Tephrosia lanceolata Flavonoid rutin Rangaswami and Rao,<br />
1955<br />
Tephrosia leiocarpa Flavonoid tephroleocarpin A Quijano and Rios, 1991<br />
tephroleocarpin B<br />
Tephrosia lupinifolia Flavonoid lupinifolin Smalberger et al., 1974<br />
lupinifolinol<br />
Tephrosia madrensis Flavonoid 5,7-dimethoxy-8-prenylflavan Gómez et al., 1983<br />
Tephrosia major Flavonoid 2',6'-dihydroxy-3'-prenyl-4'-methoxy-β- Gomez-Garibay et al.,<br />
hydroxychalcone<br />
quercetin<br />
2002<br />
Sterol β-sitosterol<br />
stigmasterol<br />
Triterpene lupeol<br />
Tephrosia maxima Flavonoid maxima flavanone A Venkata et al., 1994<br />
maxima isoflavone A Rao et al., 1984a<br />
maxima isoflavone B Venkata and Sree Rama,<br />
1985a<br />
maxima isoflavone C<br />
maxima isoflavone D<br />
maxima isoflavone E<br />
maxima isoflavone F<br />
maxima isoflavone G<br />
Rao et al., 1984a<br />
maxima isoflavone H Venkata and Sree Rama,<br />
1985a<br />
maxima isoflavone J Murthy and Rao, 1985;<br />
Venkata et al., 1994<br />
maxima isoflavone T Venkata et al., 1994<br />
Tephrosia multijuga Flavonoid multijuginol<br />
multijugin<br />
Vleggaar et al., 1975<br />
Tephrosia nubica Flavonoidal<br />
glycoside<br />
kaemferol 3,7-dirhamnoside<br />
quercetin 3-galactoside 7-rhamnoside<br />
quercetin 3,7-dirhamnoside<br />
Sharaby and Ammar, 1997<br />
Flavonoid semiglabrin<br />
pseudosemiglabrin<br />
apollinine<br />
lanceolatin A<br />
Rotenoid rotenones<br />
deguelin<br />
Tephrosia Rotenoid dihydrostemonal Dagne et al., 1989<br />
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Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
pentaphylla<br />
Flavonoid<br />
9-demethyldihydrostemonal<br />
6-acetoxydihydrostemonal<br />
villosin<br />
sumatrol<br />
rotenone<br />
cis-12a-hydroxyrotenone<br />
6-hydroxyrotenone<br />
α-toxicarol<br />
obovatin<br />
Tephrosia polyphylla Flavonoid 4′-demethyltoxicarol isoflavone<br />
toxicarol isoflavone<br />
7-methylglabranin<br />
Dagne et al., 1992<br />
Tephrosia<br />
Rotenoid rotenone Venkataratnam et al.,<br />
procumbens<br />
sumatrol<br />
1987<br />
β -diketone praecansone A<br />
praecansone B<br />
Flavonoid obovatin<br />
7-ethoxy-3,3′,4′-trihydroxyflavone; fisetin<br />
7-ethyl ether<br />
7,4′-dihydroxy-3′-methoxyisoflavone<br />
Tephrosia pumila Flavonoid pumilaisoflavones A<br />
pumilaisoflavones B<br />
pumilaisoflavones C<br />
pumilaisoflavones D<br />
Yenesew et al., 1989<br />
pumilanol<br />
tephrinone<br />
Ganapaty et al., 2008b<br />
β-hydroxychalcone<br />
Praecansone-A.<br />
Dagne et al., 1988<br />
Rotenoid rotenone Ganapaty et al., 2008b<br />
Triterpene lupeol<br />
Sterol stigmasterol<br />
Tephrosia purpurea Flavonoid tephrosin<br />
pongaglabol<br />
semiglabrin<br />
Ahmad et al., 1999<br />
purpuritenin<br />
purpureamethide<br />
pongamol<br />
karanjin<br />
Sinha et al., 1982<br />
lanceolatin B Sinha et al., 1982; Chang<br />
et al., 1997<br />
(+)-tephrorins A<br />
(+)-tephrorins B<br />
(+)-tephrosone<br />
Chang et al., 2000<br />
purpurenone Rao and Raju, 1984b<br />
(+)-purpurin<br />
(−)purpurin<br />
dehydroisoderricin<br />
(−)-maackiain<br />
pseudosemiglabrin<br />
(−)-semiglabrin<br />
Rao and Raju, 1984b;<br />
Chang et al., 1997<br />
terpurinflavone Juma et al., 2011<br />
pongamol Parmar et al., 1989; Chang<br />
et al., 1997<br />
(-)-isolonchocarpin Rao and Raju, 1979<br />
7,4‘-dihydroxy-3‘,5‘-dimethoxyisoflavone<br />
(+)-tephropurpurin<br />
(−)-3-hydroxy-4-methoxy-8,9methylenedioxypterocarpan<br />
(−)-medicarpin<br />
3‘-methoxydaidzein<br />
Chang et al., 1997<br />
603<br />
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desmoxyphyllin B<br />
3,9-dihydroxy-8-methoxycoumestan<br />
isoglabratephrin<br />
tephropurpulin A<br />
Hegazy et al., 2009<br />
quercitin<br />
rutin<br />
Jain et al., 2009<br />
Ester stigmast-5, 22-dien-34, 21diol-34, 21dihexadecanoate<br />
Sharma et al., 2008<br />
Neoflavonoid serratin 7-O-[β-D-glucopyranosyl-(1→4)- Saxena and Choubey,<br />
glycoside<br />
O-β-D-galoctopyranoside<br />
1997<br />
Sterol β-sitosterol<br />
spinasterol-α<br />
Chang et al., 1997; Parmar<br />
et al., 1989<br />
Acid ursolic acid<br />
Tephrosia<br />
Flavonoid quercetols A Gómez-Garibay et al.,<br />
quercetorum<br />
quercetols B<br />
quercetols C<br />
1988<br />
Tephrosia semiglabra Flavonoid glabratephrin Vleggaar et al., 1978<br />
semiglabrinol<br />
semiglabrin<br />
Smalberger et al., 1973<br />
Tephrosia sinapou Flavonoid toxicarine<br />
7-O-methylglabranine<br />
tephrowatsin A<br />
quercetol B<br />
flamichapparin B<br />
Martinez et al., 2012<br />
Coumarin 2,3-dihydro-p-coumaric acid<br />
Rotenoid tephrosin<br />
rotenolone<br />
deguelin<br />
6-oxo-6a,12a-dehydrodeguelin<br />
6-oxo-6a,12a-dehydro-α-toxicarol<br />
6a,12a-dehydrorotenone<br />
rotenonone<br />
villosone<br />
Tephrosia spinosa Flavonoid spinochalcone C<br />
spinoflavanones A<br />
spinoflavanones B<br />
fulvinervin A<br />
Rao and Prasad, 1992<br />
3′,5′-diisopentenyl-2′,4′-dihydroxychalcone<br />
tephrospinosin<br />
Sharma and Rao, 1992<br />
spinochalcones A<br />
spinochalcones B<br />
flemistrictin A<br />
Rao and Prasad, 1992<br />
Flavonol glycoside eupalitin 3-O-b-D-galactopyranoside Vanangamudi et al.,<br />
1997a; Chakradhar et al.,<br />
2005<br />
Tephrosia tepicana Flavonoid tepicanol A Gómez-Garibay et al.,<br />
1997<br />
Tephrosia tinctoria Flavonoid 5,7-di-O-prenylbiochanin A<br />
7-O-methylglabranin<br />
tephrowatsin C<br />
flemichapparin B<br />
Khalivulla et al., 2008<br />
2-hydroxy tephrosin<br />
tephrinone<br />
Ganapaty et al., 2009<br />
lupinifolin<br />
7-O-methyl glabranin<br />
Ganapaty et al., 2010<br />
Rotenoid rotenone<br />
dehydrodeguelin<br />
Sterol stigmasterol<br />
Acid betulinic acid<br />
Tephrosia toxicaria Flavonoid iso-obovatin Vasconcelos et al., 2009<br />
obovatin Vasconcelos et al., 2009;<br />
604<br />
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Jang et al., 2003<br />
6a,12a-dehydro-β-toxicarol<br />
6a,12a-dehydro-α-toxicarol<br />
α-toxicarol<br />
toxicarol Clark, 1930<br />
(2S)-5-hydroxy-7-methoxy-8-[(E)-3-oxo-1- Jang et al., 2003<br />
butenyl]flavanone<br />
Rotenoid<br />
isoliquiritigenin<br />
genistein<br />
chrysoeriol<br />
sumatrol<br />
4‘,5‘-dihydro-11,5‘-dihydroxy-4‘methoxytephrosin<br />
11-hydroxytephrosin<br />
Coumarin marmesin<br />
Triterpene lupenone<br />
Ester benzyl benzoate<br />
benzyl trans-cinnamate<br />
Tephrosia tunicata Flavonoid tunicatachalcone Andrei et al., 2000<br />
Tephrosia uniflora Flavonoid elongatin Abreu and Luis, 1996<br />
Rotenoid 12a-hydroxyrotenone<br />
Sterol β-sitosterol<br />
stigmasterol<br />
Tephrosia viciodes Flavonoid enantiomultijugin Gómez-Garibay et al.,<br />
1992<br />
Tephrosia villosa Flavonoid (2S)-5,4′-dihydroxy-7-O-[(E)-3,7-dimethyl- Madhusudhana et al.,<br />
2,6-octadienyl]flavanone<br />
(2S)-5,4′-dihydroxy-7-O-[(E)-3,7-dimethyl-<br />
2,6-octa-dienyl]-8-C-[(E)-3,7-dimethyl-2,6octadienyl]flavanone<br />
7-O-methylglabranin<br />
tephcalostan<br />
12a-dehydro-6-hydroxysumatrol<br />
2010<br />
7-methylglabranin Jayaraman et al., 1980<br />
villosin<br />
villosone<br />
villol<br />
villinol<br />
David Krupadanam et al.,<br />
1997<br />
tephrinone Rao and Srimanarayana,<br />
1981<br />
Triterpenoid lupenone Prashant and Krupadanam<br />
1993<br />
Triterpene lupeol Ganapaty et al., 2008a<br />
Sterol stigmasterol<br />
Rotenoid 12a-dehydro-6-hydroxysumatrol Prashant and Krupadanam<br />
1993<br />
rotenone<br />
dehydrorotenone<br />
Ganapaty et al., 2008a<br />
6a,12a-dehydro,2,3,6- trimethoxy-8-(3’,3’- Prashant and<br />
dimethylallyl)-9,11dihydroxy rotenone<br />
12a-hydroxy toxicarol<br />
Krupadanam, 1993<br />
Tephrosia viridiflora Flavonoids viridiflorin Gómez et al., 1985<br />
Tephrosia vogelii Sesquiterpene (1β,6α,10α)-guai-4(15)-ene-6,7,10-triol Wei et al., 2009<br />
Lignan (+)-lariciresinol 9′-stearate<br />
Rotenoid deguelin Kalume et al., 2012;<br />
Delfel et al., 1970; Gills,<br />
1992<br />
tephrosin<br />
toxiconol<br />
tephrosal<br />
Gills, 1992<br />
Flavonoid quercitin<br />
Tephrosia Flavonoid tephrowatsin A Gómez et al., 1985<br />
605<br />
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watsoniana<br />
Tephrosia woodii Flavonoid<br />
tephrowatsin B<br />
tephrowatsin C<br />
tephrowatsin D<br />
tephrowatsin E<br />
oaxacacin<br />
mixtecacin<br />
Dominguez et al., 1983<br />
606<br />
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607<br />
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608<br />
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O<br />
O<br />
O OMe<br />
O<br />
O<br />
H<br />
O<br />
Enantiomultijugin<br />
O<br />
O<br />
O<br />
Flemichapparin C<br />
O<br />
O<br />
H<br />
OMe<br />
609<br />
HO<br />
OH<br />
OMe<br />
O<br />
O<br />
Emoroidone<br />
O O<br />
O<br />
Fulvinervin B<br />
OH<br />
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610<br />
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611<br />
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612<br />
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613<br />
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HO<br />
O O<br />
OH<br />
Quercetol A<br />
OMe<br />
614<br />
O<br />
HO<br />
Spinochalcone C<br />
O<br />
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O<br />
O<br />
HO<br />
O<br />
O<br />
Tephrocarpin<br />
OMe<br />
OH<br />
615<br />
HO<br />
H<br />
H H<br />
Stigmasterol<br />
H<br />
H<br />
H<br />
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MeO<br />
OMe<br />
O<br />
616<br />
O<br />
Tephrowatsin B<br />
O<br />
O O<br />
Tephrospiroketone 1<br />
MeO<br />
OH<br />
O<br />
OMe<br />
OMe<br />
OMe<br />
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O<br />
O<br />
Trans tephrostachin
Phytopharmacology 2013, 4(3), 598-637 Touqeer et al.<br />
MeO<br />
OMe<br />
617<br />
O<br />
5 7 dimethoxy 8 prenylflavan<br />
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618<br />
O<br />
HO<br />
C<br />
CH<br />
HC OH<br />
Caffeic acid<br />
OH<br />
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619<br />
O<br />
O<br />
O<br />
O<br />
O<br />
Fulvinervin A<br />
OH<br />
O<br />
Maxima isoflavone A<br />
O<br />
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O<br />
O
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Some of the compounds isolated have been studied for their pharmacological actions (see<br />
table 2). The activities reported include anticancer, antiplasmodial, larvicidal, and others. There<br />
are many compounds in Table 1 whose activities are not studied under the genus Tephrosia<br />
but if we look into the literature, we find their presence in other genera and their activities<br />
determined for example Pseudosemiglabrin, Flemichapparin, Caryophyllene oxide, deguelin,<br />
pongamol, lupeol, possess platelet aggregation antagonism, antifungal, antifungal, anticancer,<br />
anticonvusant, and antiinflammatory respectively (Pirrung and Lee, 1995; Gahlot et al.,<br />
2012; Yang et al., 2000; Udeani et al., 1997; Basu et al., 1994; Geetha and Varalakshmi,<br />
2001). Caffeic acid and rutin, which are also found in Phyllanthus sellowianus have analgesic<br />
activity (Calixto et al., 1998).<br />
Table 2. Pharmacological actions of isolated compounds from genus Tephrosia.<br />
Species Compound Activity Reference<br />
Tephrosia calophylla calophione A Cytotoxic Ganapaty et al., 2009<br />
Tephrosia candida candidone Cytotoxic Ganapaty et al., 2009;<br />
Roy et al., 1986<br />
pongachin Ganapaty et al., 2009;<br />
Parmar et al., 1988<br />
candidachalcone Estrogenic activity Hegazy et al., 2011<br />
Tephrosia elata tephrosin<br />
isopongaflavone<br />
Antifeedant Bentley et al., 1987<br />
rotenone Larvicidal, antifeedant Muiva, 2012; Bentley et<br />
al., 1987<br />
(S)-elatadihydrochalcone Antiplasmodial Muiva, 2012<br />
obovatin methyl ether<br />
praecansone<br />
Muiva, 2012<br />
Tephrosia emoroides emoroidenone Antifeedant Machocho et al., 1995<br />
Tephrosia ergeria dehydrorotenone Antioxidant, larivcidal Arriaga et al., 2009a<br />
Tephrosia hildebrandtii hildecarpin Insect antifeedant<br />
Antifungal<br />
Lwande et al., 1985<br />
Tephrosia pulcherrima pulcherrimin Cytotoxic Ganapaty et al., 2009<br />
Tephrosia pumila pumilanol Antiprotozoal Ganapaty et al., 2008<br />
Tephrosia purpurea (+)-tephrorin A Cancer chemopreventive<br />
activity<br />
Chang et al., 2000<br />
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(+)-tephrorin B<br />
(+)-tephrosone<br />
7,4‘-dihydroxy-3‘,5‘-<br />
dimethoxyisoflavone<br />
622<br />
Chang et al., 2000<br />
(+)-tephropurpurin<br />
(+)-purpurin<br />
pongamol<br />
lanceolatin B<br />
(−)-maackiain<br />
(−)-3-hydroxy-4-methoxy -<br />
8, 9- methylenedioxy<br />
pterocarpan<br />
(−)-medicarpin<br />
terpurinflavone Antiplasmodial Juma et al., 2011<br />
Tephrosia spinosa eupalitin-3-O-β-D-glucoside Anti-inflammatory Chakradhar et al., 2005<br />
Tephrosia tinctoria 2-hydroxy tephrosin Antiplasmodial Ganapaty et al., 2009<br />
tephrinone<br />
Tephrosia toxicaria (2S)-5-hydroxy-7-methoxy-<br />
8-[(E)-3-oxo-1-<br />
butenyl]flavanone<br />
Cancer chemopreventive<br />
activity<br />
Jang et al., 2003<br />
4‘,5‘-dihydro-11,5‘dihydroxy-4‘methoxytephrosin<br />
isoliquiritigenin<br />
genistein<br />
chrysoeriol<br />
obovatin Antioxidant Vasconcelos et al., 2009<br />
toxicarol Fish poison Clark, 1930<br />
α-toxicarol Larvicidal Vasconcelos et al., 2009<br />
Tephrosia vogelii deguelin Larvicidal Muiva, 2012; Kalume et<br />
al., 2012<br />
It can be concluded from the above discussion that if, for example, any species of<br />
genus Tephrosia having rutin or caffeic acid as its major component, is not reported for analgesic<br />
activity, may possess it. So in this way this methodology can give us a hint or base, which<br />
study to be carried on plant.<br />
Pharmacological profile of plants from genus Tephrosia<br />
Several plants of the genus have studied for their medicinal and therapeutic potential.<br />
A brief description of the work done so far is given below:<br />
Antioxidant activity<br />
Only a few species of Genus Tephrosia have been studied for their antioxidant activity.<br />
In 2007, G.P. Choudhary studied the ethanolic extract of Tephrosia purpurea for its antioxidant<br />
activity (Choudhary, 2007). The aqueous extract of the whole plant of Tephrosia<br />
purpurea also showed free radical scavenging activity in DPPH test (Gunjegaonkar et al.,<br />
2010). From Tephrosia egregia the ethyl acetate and methanol extracts showed high antioxidant<br />
activities (Arriaga et al., 2009a). Obovatin, a flavonoid present in Tephrosia toxicaria<br />
showed significant antioxidant acivity of IC50 3.370 μg/mL. It was also seen that the methanol<br />
fraction of the ethanol extract from roots had the highest antioxidant activity (Vasconcelos<br />
et al., 2009). Tephrosia villosa also possess antioxidant activity due to the presence of<br />
20(29)-lupen-3-one, a compound also identified in Daedaleopsis tricolor where it inhibited<br />
lipid peroxidation by 6.4% (Prashant and Krupadanam 1993; Kim et al., 2001). The ethanol<br />
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ether extract of Tephrosia vogelii seeds also showed antioxidant and free radical scavenging<br />
activity (Li et al., 2010).<br />
Antibacterial activity<br />
The species from Genus Tephrosia have also been studied for their antibacterial activity.<br />
Tephrosia vogelii was found to possess antimicrobial activity (Wanga et al., 2007). The<br />
dichloromethane extract from the roots and leaves was tested against S. aureus, E. coli and F.<br />
phoseolida. Hu et al., in 2011 also studied the antimicrobial and bactereostatic activity of<br />
ethanol and aqueous extract from Tephrosia vogelii seeds on E. coli, S. aureus and S. paratyphi<br />
B. and proved the antibacterial efficacy of the plant to be significant at high doses (Hu et<br />
al., 2011). The root extract of Tephrosia villosa showed moderate antibacterial and anti<br />
fungal activity (Ganapaty et al., 2008a). In another study on Tephrosia villosa the fruit, leaf,<br />
and root extract showed activity against C.neoformans, E.coli and B.anthracis respectively.<br />
The ethanolic twig extract was most active against C.neoformans and S.typhi (Nondo et al.,<br />
2011). In case of Tephrosia purpurea, studies have been made on the antimicrobial activity<br />
of methanolic extract of Tephrosia purpurea roots on B. subtilis, S. aureus, M. luteus, the<br />
gram positive bacteria and the gram negative including E. coli, P. aeruginosa, and S. typhimurium<br />
(Gupta et al., 2008). In another study on Tephrosia purpurea, the roots showed antimicrobial<br />
activity against P. aeruginosa and no activity against S. aureus and E.coli (BNLD<br />
Rangama et al., 2009). Chinniah et al., in 2009 and Annalakshmi et al., in 2009 proved<br />
Tephrosia purpurea to have marked activity against H. pylori, an agent responsible for GIT<br />
ulcers (Chinniah et al., 2009; Annalakshmi et al., 2009). The methanolic leaf extract from<br />
Tephrosia tinctoria showed activity against B. subtilis, S. marceseans, and low activity for B.<br />
cereus and P. aeuriginosa (Ganapaty et al., 2010). Tephrosia deflexa and its isolated compounds<br />
were studied for antibacterial activity (Kare et al., 2006). The antibacterial activity of<br />
Tephrosia linearis has also been reported (Ratsimamanga et al., 1994).<br />
Antifungal activity<br />
In our literature survey, we found less work on antifungal activity of species from Genus<br />
Tephrosia. Only three species are known to possess antifungal potential. The methanolic<br />
extract of Tephrosia purpurea showed significant activity against A. niger and C. albicans<br />
(Gupta et al., 2008). Tephrosia hildebrandtii showed antifungal activity against C.cucumerinum.<br />
The activity was found to be related to a chemical compound isolated from its roots<br />
(see table 2) (Lwande et al., 1985b). Tephrosia tinctoria also showed activity against A.<br />
niger, C. albicans. The methanolic extract was found to be more active against the aforementioned<br />
organisms. However the methanolic extract showed no activity against S. cerevisiae<br />
(Ganapaty et al., 2010).<br />
Antiprotozoal and anti plasmodial activity<br />
Extract from the seed pods of Tephrosia elata showed antiplasmodial activity (Muiva<br />
et al., 2009; Muiva, 2012). Flavonoid extracted from the roots of Tephrosia pumila also showed<br />
activity against L. donovani, T. b. rhodesiense and T. cruzi (Ganapaty et al., 2008b).<br />
Isolated flavonoids from the root of Tephrosia tinctoria were studied for antiprotozoal and<br />
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antiplasmodial activities against T. b. rhodesiense, T. cruzi, L. donovani, and P. falciparum<br />
(Ganapaty et al., 2009a). Ganapaty, also studied the antiprotozoal activity of three Tephrosia<br />
species, namely, T. pulcherrima, T. pumila, and T. calophylla on Leishmania, Trypanosoma<br />
and Plasmodium parasites (Ganapaty et al., 2009c). Chloroquine sensitive and chloroquine<br />
resistant strains of P. falciparum were inhibited by the extracts from the stem of Tephrosia<br />
purpurea with IC50 values of 10.47 ± 2.22 μg/ml and 12.06 ± 2.54 μg/ml, respectively (Juma<br />
et al., 2011). Tephrosia purpurea has also been studied for antileishmanial activity in hamsters<br />
and Indian langular monkeys infected by L. donovani (Sharma et al., 2003).<br />
Anti pyretic and Anti inflammatory activity<br />
In 2010, Sandhya et al., studied the anti inflammatory activity of two species of Tephrosia<br />
namely Tephrosia maxima and Tephrosia purpurea by HRBC membrane stabilizing<br />
method. Both plants showed almost equal activity at doses of 500ug/ml. Tephrosia maxima<br />
giving 79.49% and Tephrosia purpurea giving 79.01% protection (Sandhya et al., 2010).<br />
Another study on Tephrosia purpurea root extracts showed its antipyretic and anti inflammatory<br />
activity (Valli et al., 2011). The methanolic extract of Tephrosia vogelii showed significant<br />
analgesic and anti-inflammatory activity in mice and rats using hot plate method and egg<br />
albumin induced oedema respectively (Adaudi et al., 2009). The root extract of Tephrosia<br />
sinapou showed to possess significant anti-inflammatory activity. The extract reduced inflammatory<br />
leukocyte recruitment, oxidative stress and other parameters involved directly or<br />
indirectly to the process of inflammation (Martinez et al., 2012). Tephrosia spinosa also showed<br />
anti inflammatory activity in an experimental model of carrageenin induced paw edema.<br />
The standard drug used was indomethacin (Chakradhar et al., 2005). The antipyretic activity<br />
of Tephrosia bracteolata has also been reported (Onaolapo et al., 2009).<br />
Anticancer and cytotoxic activity<br />
Cytotoxicity of some chemical compounds found in Tephrosia calophylla and Tephrosia<br />
candida have been studied using different cell lines (Ganapaty et al., 2009a; Ganapaty et<br />
al., 2009b; Roy et al., 1986; Parmar et al., 1988). The cytotoxicity of Tephrosia pulcherrima<br />
and Tephrosia pumila has also been studied by Ganapaty et al., in 2009 using HT-29 and<br />
RAW cell lines (Ganapaty et al., 2009c). In 2011 Kishore et al., mentioned Tephrosia purpurea<br />
containing an important chemical, B-sitosteol having anticancer and cancer protective<br />
activities against prostatic, breast and colonic carcinomas. In addition to the aforementioned<br />
activities of B-sitosterol, it is also an antioxidant and has significant effect on hypercholesterolemia<br />
and BPH (Kishore and Roy, 2011). In another study the anticarcinogenic activity<br />
of Tephrosia purpurea extract was tested in an experimental model of hepatocarcinoma in<br />
rats. The extract showed significant cancer chemoprevention (Hussain et al., 2012). Shanmugapriya<br />
et al., also studied the anticarcinogenic potential of Tephrosia purpurea in HELA<br />
cervical cancerous cell line. Different extracts were tested out of which ethyl acetate<br />
produced the most potent effect (Shanmugapriya et al., 2011). In a study by Subhadra, three<br />
species namely, Tephrosia calophylla, Tephrosia maxima and Tephrosia purpurea showed<br />
significant cytotoxic activity out of which Tephrosia calophylla showed the maximum activity<br />
(Subhadra et al., 2011). The ethanolic fruit and root extract of Tephrosia villosa showed<br />
toxicity to brine shrimp whereas the extract from leaves and twigs was found to be non toxic<br />
(Nondo et al., 2011). The ethyl acetate extract from stems of Tephrosia toxicaria possess<br />
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flavonoids having cancer chemopreventive activities (Jang et al., 2003). The flavonoids extracted<br />
from Tephrosia tinctoria possess cytotoxic activity tested in Cell line L-6 (Rat skeletal<br />
muscle myoblasts) (Ganapaty et al., 2009a). Tephrosia calophylla was also found to possess<br />
anticancer activity. The root extract inhibited growth and induced apoptosis in the human breast<br />
carcinoma (Adinarayana et al., 2009). Tephrosia vogelii root and leaf extract was found<br />
to be toxic to brine shrimps at doses of LC50: 0.960; 0.958 μg/ml, respectively (Wanga et al.,<br />
2007).<br />
Hepatoprotective activity<br />
In 2011, Shah et al., studied the hepatoprotective effect of Tephrosia purpurea in<br />
CCl4 induced hepatotoxicity in rats. The ethyl acetate fraction at doses of 50mg/kg was found<br />
to be effective and comparable to silymarin (Rajal Shah et al., 2011). The hepatoprotective<br />
effect of Tephrosia calophylla has also been reported (Adinarayana et al., 2011).<br />
Animal feed<br />
In an effort to find new and cheap sources of food for animals, several species of genus<br />
Tephrosia have been studied. The nutritive value of three species of Tephrosia, namely,<br />
Tephrosia candida, Tephrosia bracteolata, and Tephrosia linearis have been studied (Babayemi<br />
et al., 2003). According to Babayemi and Bamikole, a mixture of Tephrosia candida<br />
leaves and guinea grass can serve as a good animal feed. The mixture has an additional benefit<br />
of low methane production upon fermentation (Babayemi and Bamikole. 2006b). Tephrosia<br />
bracteolata can serve as a good diet in laying hens both from nutritive and economic<br />
aspect (Akande et al., 2008). Tephrosia vogelii, Tephrosia candida, and Tephrosia purpurea<br />
can also be a good addition in the diet of ruminants (Mbomi et al., 2011). The use of Tephrosia<br />
candida and Tephrosia bracteolata in goats has also been established (Babayemi and<br />
Bamikole 2006a). A study on Tephrosia candida seeds has also been reported (Babayemi and<br />
Bamikole 2007).<br />
Larvicidal, insecticidal and antifeedant activity<br />
Different species from the genus have been studied for larvicidal, insecticidal, and<br />
antifeedant activities. There is an extensive work on the study of Tephrosia as an agent to<br />
control the population of insects harmful to animals and plants.<br />
The hexane extract from Tephrosia egregia showed potent larvicidal activity against<br />
aedes aegypti (Arriaga et al., 2009a). The whole plant extract of Tephrosia purpurea was tested<br />
for its larvicidal activity against the larvae of Culex quinquefasiciatus. The extract showed<br />
100% mortality in very small doses suggesting its beneficial use in controlling the mosquito<br />
reproduction (Deepak Kumar et al., 2012). The extracts of Tephrosia vogelii also possess<br />
larvicidal activity and therefore can be used to control mosquitoes (Matovu and Olila. 2007).<br />
The ethanolic extract of roots, leaves, fruit and twigs of Tephrosia villosa showed significant<br />
activity against C. quinquefasciatus larvae (Nondo et al., 2011). The ethanol extract from<br />
roots, stems, leaves, and pods and some fractions of Tephrosia toxicaria were tested for lavicidal<br />
activity with the larvae of Aedes aegypti. The ethanolic root extract, hexane and chlor-<br />
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oform fractions had (LC50 47.86 ppm) (LC50 23.99 ppm) and (LC50 13.80 ppm) respectively<br />
(Vasconcelos et al., 2009). Tephrosia nyikensis have been reported to possess larvicidal<br />
activity on Anopheles mosquito’s larvae (Wanjala et al., 2006). The oil obtained from Tephrosia<br />
cinerea showed larvicidal activity against Aedes aegypti larvae (Arriaga et al., 2008).<br />
The chloroform and methanol extracts of Tephrosia nubica were tested against Spodoptera<br />
littoralis and Agrotis ipsilon. The population of the pests was reduced due to the effect of the<br />
extract on all the stages of growth (Sharaby and Ammar, 1997). Tephrosia vogelii leaf extract<br />
was found to be effective in controlling ticks, an important insect and ectoparasite (Gadzirayi<br />
et al., 2010). Tephrosia magropoda is also reported to have insecticidal properties (Tatteksfield<br />
and Gimingham, 1932). In 2012, Kalume et al., reported the acaricidal activity of leaf<br />
extracts of Tephrosia vogelii on tick Rhipicephalus appendiculatus and mentioned its advantage<br />
of being economical than synthetic compounds (Kalume et al., 2012). The insecticidal<br />
property of Tephrosia purpurea whole plant was tested against Callosobruchus maculates,<br />
the pest on Phaseolus mungo (Diwan and Saxena, 2010). In 1992, Kole et al., isolated a<br />
rotenoid, amorpholone from Tephrosia candida having potent insecticidal properties (Kole et<br />
al., 1992). Tephrosia elata showed significant antifeedant activity against M. testulalis, S.<br />
exempta and E. sacchariana. The antifeedant activity is attributed to the presence of rotenoid<br />
compounds (Bentley et al., 1987). The larvicidal activity from seed pods of Tephrosia elata<br />
and Tephrosia aequilata has also been studied by Muiva, against the larvae of Aedes aegypti<br />
(Muiva, 2012). Antifeedant activity of flavonoids from Tephrosia emoroides was tested<br />
against Chilo partellus, a very destructive pest of maize. Emoroidenone, a flavonoid isolated<br />
showed strong feeding deterrence of 66.1% against the larvae at a dose of 100 μg (Machocho<br />
et al., 1995). The roots of Tephrosia hidebrandtii also possess antifeedant activity against the<br />
pest, Maruca testulalis (Lwande et al., 1985).<br />
Antidiabetic activity<br />
The aqueous seed extract of Tephrosia purpurea showed significant antihyperglycemic<br />
activity in streptozotocin induced diabetic rats (Pavana et al., 2009). The ethanolic extract<br />
of from Tephrosia villosa leaves showed reduction in glucose level and pancreatic cell<br />
regeneration in alloxan induced diabetes in rats (Ahmad et al., 2009). Balakrishnan et al.,<br />
also repoted antidiabetic activity of extract from root of Tephrosia villosa (Balakrishnan et<br />
al., 2007).<br />
GIT activity<br />
Tephrosia vogelii leaf extract exerted a stimulant effect on the GIT smooth muscles.<br />
This was demonstrated by the contraction of the ileum isolated from guinea pig hence showing<br />
the purgative property of the plant (Dzenda et al., 2008b). Aqueous extract of Tephrosia<br />
purpurea root showed gastric ulcer healing and cytoprotective activities (Deshpande and<br />
Shah 2008). The extract of Tephrosia calophylla leaves showed significant antiulcer and cytoprotective<br />
activity at doses of 50mg/kg and 100mg/kg (Divya, et al., 2011).<br />
Antihyperlipidemic effect<br />
The antihyperlipidemic effect of Tephrosia calophylla has been studied in wistar albino<br />
rats (Mohan, 2011). The leaf extract of Tephrosia purpurea showed antihyperlipi-demic<br />
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activity in an experimental model of diabetic rats (Pavana et al., 2007). Akhtar et al., also<br />
studied Tephrosia purpurea for the same purpose and found a significant reduction in all the<br />
parameters (Akthar et al., 2011).<br />
Toxicity<br />
Tephrosia purpurea extract was evaluated by Talib et al., in 2012 for its toxicity in<br />
rodents. A dose up to 2000mg/kg was well tolerated in the acute toxicity studies whereas in<br />
sub acute toxicity studies, a dose 200mr/kg and 400 mg/kg showed no significant change in<br />
any of the parameters thus concluding that the plant is safe for use in treatment of different<br />
diseases (Talib Hussain et al., 2012). Tephrosia toxicaria used as a fish poison was studied<br />
by Clark in 1930. A compound, Toxicarol was identified as the major component (Clark,<br />
1930). The toxicity of Tephrosia vogelii was reported on mice. The signs were similar to<br />
those associated with the toxicity from rotenone. The LD50 of leaf extract calculated was<br />
134.16 mg/kg (Dzenda et al., 2008a). The chloroform extract of Tephrosia tinctoria leaves<br />
exhibited significant piscicidal activity compared to methanolic extract in gold fish (Ganapaty<br />
et al., 2010). Toxic hepatopathy was reported in sheep grazing on Tephrosia cinerea. The<br />
disease was also experimentally induced in the sheep in order to confirm the results (Santos<br />
et al., 2007). Tephrosia apollinea was also found to be toxic in a study on goats (Suliman et<br />
al., 1982). The toxicity of Tephrosia bracteolata has also been studied (Onaolapo et al.,<br />
2009). In a study on mice Cai et al., found Tephrosia candida to be safe and no significant<br />
signs of toxicity were observed (Cai et al., 2010).<br />
Miscellaneous activities<br />
The root extract of Tephrosia purpurea showed xanthine oxidase inhibitory activity<br />
compare with standard, Allopurinol (Nile and Khobragade, 2011). Patel et al., studied the effect<br />
of Tephrosia purpuria on polycystic ovary syndrome (PCOS) in rats. (PCOS) was induced<br />
by the administration of Letrozole. The dried seed powder given orally showed normalization<br />
in the estrous cycle and reduction in the weight of the reproductive system as well as<br />
of the ovary (Patel and Thakor, 2012). Kumar et al., found Tephrosia purpuria to be effective<br />
anxiolytic agent and comparable to the standard drug, Diazepam. The hydroalcoholic extract<br />
at a dose of 200mg/kg and 400mg/kg orally was administered to mice in different maze models<br />
in the study (Kumar, et al., 2011). The acetylcholinesterase inhibitory activity of Tephrosia<br />
purpurea and neurobehavioral studies were made on zebra fish, a model for the study of<br />
neurodegenerative activities (Kannan and Vincent, 2012). Tephrosia purpurea has also been<br />
proved for its antiepileptic effect (Asuntha et al., 2010). Lodhi et al., studied the flavonoidal<br />
extract of Tephrosia purpurea and proved its potential for healing burn wounds. This activity<br />
is supposed to be due to its free radical scavenging property (Lodhi et al., 2010). The anti<br />
allergic effect of Tephrosia purpurea has been reported (Gokhale and Saraf 2000). The<br />
extract of Tephrosia purpurea stabilized mast cells significantly showing its usefulness in the<br />
treatment and management of asthma (Gajera Paresh Lallubhai and Dalal Mittal, 2011). In<br />
another study Tephrosia purpurea showed spasmolytic activity in the trachea of guinea pigs<br />
thus strengthening the view of its use in asthma (Soni et al., 2004). Tephrosia purpurea has<br />
also been studied for its immunomodulatory effect (Damre et al., 2003). Ashokkumar et al.,<br />
studied the diuretic activity of methanol extract of Tephrosia purpurea (Ashokkumar et al.,<br />
2012). The aqueous extract from roots of Tephrosia purpurea also posses antilithiatic activity<br />
627<br />
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(Swathi et al., 2008). Still another study was made on the Tephrosia purpurea leaves for its<br />
protective and curative ability for renal injury in rats (Jain and Singhai, 2009). Study on<br />
chemical constituents of Tephrosia candida revealed a sesquiterpene having significant estrogenic<br />
activtity (Hegazy et al., 2011). The chloroform and methanolic extract of Tephrosia<br />
spinosa showed significant ant helmintic activity against earth worms (Pheretima posthuma)<br />
(Ilango et al., 2011). The leaf extract of Tephrosia vogelii was found to possess significant<br />
anthelmintic activity against Ascaridia galli, a parasite in chicken (Siamba et al., 2007). The<br />
methanol extract of Tephrosia vogelii produced significant reduction in the blood pressure of<br />
cats (Adaudi et al., 2009).<br />
Conclusion and discussion<br />
The plants of genus Tephrosia are of high therapeutic importance. We can see that a<br />
large number of species are studied for their chemical constituents but the number of isolated<br />
compounds from individual specie is very few with some exceptions. Mostly studied compounds<br />
include flavonoids and rotenoids. Studies on oil composition are very less. The genus<br />
has significant anticancer and larvicidal potential.<br />
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