title: Polyphenols from Rhodiola crenulata.
abstract: A novel gallotannin, crenulatin ( 7), has been isolated from RHODIOLA CRENULATA. The structure was elucidated by spectral analyses (including 2D-NMR spectral measurements) and chemical methods. Also six known polyphenols have been isolated and identified.
authors.affiliation: Chengdu Instituto of Biology, Academia Sinica, Chengdu, 610041, People's Republic of China.
authors.forename: W S
authors.initials: WS
authors.lastname: Yu
authors.forename: X M
authors.initials: XM
authors.lastname: Chen
authors.forename: H
authors.initials: H
authors.lastname: Li
authors.forename: L
authors.initials: L
authors.lastname: Yang