Antioxidative phenolic compounds from the roots of Rhodiola sachalinensis A. Bor.
The acetone extract of the roots of Rhodiola sachalinensis has furnished six phenolic compounds which exhibited significant scavenging effects against DPPH free radical. The structures of these compounds were identified and determined as gallic acid (1), (-)-epigallocatechin 3-O-gallate (2), kaempferol (3), kaempferol 7-O-alpha-L-rhamnopyranoside (4), herbacetin 7-O-alpha-L-rhamnopyranoside, (5) and rhodiolinin (6) by physico-chemical and spectral evidences.
Lee
M W
MW
College of Pharmacy, Chung Ang University, Seoul, Korea. mwlee@cau.ac.kr
Lee
Y A
YA
Park
H M
HM
Toh
S H
SH
Lee
E J
EJ
Jang
H D
HD
Kim
Y H
YH
D000975:Antioxidants / Q000302:isolation & purification*; D010636:Phenols / Q000302:isolation & purification*; D010946:Plants, Medicinal
D000975:Antioxidants; D010636:Phenols