Further Study on the Constituents of Rhododendron brachycarpum

Choi, Jae-Sue (Department of Nutrition and Food Science, National Fisheries University of Pusan) ;
Young, Han-Suk (College of Pharmacy, Pusan National University) ;
Jong, Cheol-Park (College of Pharmacy, Pusan National University) ;
Choi, Jin-Ho (Department of Nutrition and Food Science, National Fisheries University of Pusan) ;
Woo, Won-Sick (Natural Products Research Institute, Seoul National University)

From the leaves of Rhododendron brachycarpum, rhododendrin, grayanotoxin I and guaijaverin were isolated and characterized by spectral data.