Dioscorea bulbifera Linn. |
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Botanical Name |
: |
Dioscorea bulbifera Linn. |
English
Name |
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Dog Yam |
Synonym(s) |
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Dioscorea crispata Roxb., Dioscorea pulchella Roxb., Dioscorea sativa Thunb. non Linn., Dioscorea versicolor Buch.Ham. ex Wall. |
Family |
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Dioscoreaceae |
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General Info
| Description |
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Twining climber, glabrous. Roots tuberous. Leaves 5 to 12 cm long, acute, acuminate, base deeply cordate, alternate; petiole as long as blade. Male spikes 8 to 35 cm long, solitary, rarely in pairs, slender; flowers small, in clusters; perianth segments sroadly oblong, stamens 6. Female spikes 8 to 16 cm long, soliatry, broader than leaf; flowers few. Capsule 1.5 to 2.5 x 2.5 to 5 cm. |
| Herb Effects |
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Diuretic (50% EtOH aerial part extract). |
Chemistry
| Active Ingredients |
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Diosbulbins A-D, D-sorbitol, diosgenin, zeaxanthin and auroxanthin (rhizome); from 50% EtOH aerial part extract. |
| Chemistry
of Active Ingredients |
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|
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Name |
CAS# |
IUPAC Name |
Formula |
Structure |
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| D-sorbitol |
98201-93-5 |
hexane-1,2,3,4,5,6-h
exaol |
C6H14O6 |
|
| Diosgenin |
512-04-9 |
Not Available |
C27H42O3 |
|
| Zeaxanthin |
Not Available |
4-[18-(4-hydroxy-2,6
,6-trimethyl-1-cyclo
hexenyl)-3,7,12,16-t
etramethyl
-octadec
a-1,3,5,7,9,11,13,15
,17-nonaenyl]-3,5,5-
trimethyl-cyclohex-3
-e
n-1-ol |
C40H56O2 |
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Pharmacology
| Medicinal Use |
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Syphilis, hemorrhoids,ulcers and dysentery (tuber); as contraceptives and in the treatment of various disorders of the genitary organs as well as in a host of other diseases such as asthma and arthritis. |
| Contraindication |
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Glucoside in the plant is poisonous; creates excess mucus and congestion. |
| Reference |
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 Sharma, Classical Uses of Medicinal Plants.
Chandel et al., Biodiversity in Medicinal and Aromatic Plants in India.
Uniyal et al., Medicinal Flora of Garhwal Himalayas. |
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