Studies on the Constituents of Leaves of Rhododendron degronianum CAHR.
Open Access
- 1 January 1976
- journal article
- research article
- Published by Pharmaceutical Society of Japan in YAKUGAKU ZASSHI
- Vol. 96 (12) , 1407-1411
- https://doi.org/10.1248/yakushi1947.96.12_1407
Abstract
Dendropanoxie, .alpha.-amyrin, .beta.-amyrin, .alpha.-acetylamyrin, .beta.-acetylamyrin, friedelin, epi-friedelinol, uvaol, ursolic acid and 18 kinds of paraffin were isolated from etherial extract of the leaves of R. degronianum by silica gel column chromatography. From the methanolic extract of the leaves, grayanotoxin I, rhododendrin, quercetin, and isoquercitrin were isolated, and from the aqueous extract of the leaves, 11 amino acids were identified. Ten kinds of inorganic cation were detected from the ashed leaves.This publication has 0 references indexed in Scilit: