Rheum emodi

Rheum emodi
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Rheum
Species:	R. emodi
Binomial name
Rheum emodi L.

Rheum emodi, commonly known as Himalayan rhubarb, is a medicinal herb used in the Indian Ayurvedic system of medicine. It belongs to the family Polygonaceae. The plant is found in the sub-alpine and alpine Himalayas at an altitude of 4000 meters.

Names

Sanskrit - Amlaparni, Revatchini; Bengali - Rheuchini, Banglarevanchini; Gujarati - Gamnirevanchini; Hindi - Revand chini.

Chemical constituents

Hydroxyanthracene derivatives are mainly emodin, chrysophanol and their glycosides.^[1] Other hydroxyanthracene derivatives are rhein, aloe emodin and physcion and their glycosides.^[2]

References

1. Indian Herbal Pharmacopia Vol. II, Page-123
2. Shah C.S., Quadry J.S., and Bhatt J.G., Planta Med., 22, 103(1972).