Database on medicinal plants used in ayurveda - AYUSH Research ...

Physical constants
Total ash – Not more than 5%; Acid insoluble ash – Not more than 0.5%;
Alcohol soluble extractive – Not less than 7%; Water soluble extractive – Not
less than 14% (Anonymous, 1999).
CHEMICAL CONSTITUENTS
Plant: Steroidalglycosides (Shen and Chen, 2005), marstenacigenins A and
B, dresgenin (Qiu et al., 1996), thirteen pregnane glycosides (Abe et al.,
2000).
Roots: 17�-Marsdenin, 17�-marsdenin, D-cymarose, �-D-glucosyl-Lthevetose,
cinnamic acid, acetic acid (Rao et al., 1976), 13-(31,32-dimethyl-
30-methylene-21�-acetoxytetradecanyl)-29-methyl-perhydrophenanthr-1,3diene
(Goel and Ali, 2004).
Seed: Methyl glucoside as methyl-4-O-(3-O-methyl-6-deoxy-�-D
allopyranosyl) -�-D cymaroside (Singhal et al., 1980a, d), genins, sugars ,
methyl glycoside, sugars -D-cymarose, asclepobiose, D-canarose, 3-Omethyl
6-deoxy-D-allose, isodrevogenin-P- (Singhal et al., 1980a),
drevogenin Q as 11-O-isovaleryl-12-O-acetyldrevogenin-P, 14-anhydro-17�drevogenin-Q
(Mittal et al., 1980; Singhal et al., 1980a), tenasogenin-11�-O-
�, �-dimethylacryloyl, 3�, 12�, 14�, 20R-tetrahydropregn-5-ene (Singhal et
al., 1980a, b), cissogenin as 3�, 11�, 12�, 14�, 20S-pentahydroxypregn-5ene
(Singhal et al., 1980a, c).
Stem: Tenacissosides A, B, C, D, E. Tenacissoside A as tenacigenin B-I 3-O-
��D-glucopyranosyl-(1�4)-3-O-methyl-6-deoxy-�-D-pyranosyl-(1�4)-3-
O-methyl-6-deoxy-�-D-pyranosyl-(1�4)-�-D-oleandropyranoside,
tenassoside B as tenacigenin B-II 3-O-�-D-glucopyranosyl-(1�4)-3-Omethyl-6-deoxy-�-D-allopyranosyl-(1�4)-��D-oleandropyranoside,
tenassoside C as tenacigenin B III 3-O-�-D-glucopyranosyl-(1�4)-3-Omethyl-6-deoxy-�-D-allopyranosyl-(1�4)-�-D-oleandropyranoside,
tenacissoside D as tenacigenin B IV 3-O-�-D-glucopyranosyl-(1�4)-3-Omethyl-6-deoxy-�-D-allopyranosyl-(1�4)-�-D-oleandropyranoside
and
tenacissoside E as tenacigenin B-V 3-O-�-D-glucopyranosyl-(1�4)-3-Omethyl-6-deoxy-allopyranosyl-(1�4)-�-D-oleandropyranoside
(Miyakawa et
al., 1986), tenacissosides J and tenacissosides K (Xing et al., 2004),
tenacigenin A (Jun et al., 1980), marsdenosides A , B, C and D (Xia et al.,
2004), marsdenosides A-H , 12�-O-2-methylbutyryl-tenacigenin A, 11�,12�di-O-acetyltenacigenin
B, 11�-O-tigloyltenacigenin B (Deng et al., 2006), 12
�-cinnamoyl-dihydrosarcostin and 12 �,20-dibenzoyldihydrosarcostin (Qiu et
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