Antioxidant Benzoylated Flavan-3-ol Glycoside from Celastrus orbiculatus

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Title
Antioxidant Benzoylated Flavan-3-ol Glycoside from Celastrus orbiculatus
Author(s)
Bang Yeon Hwang; Hang Sub Kim; Jeong Hyeong Lee; Young Soo Hong; Jai Seup Ro; Kyong Soon Lee; Jung Joon Lee
Bibliographic Citation
Journal of Natural Products, vol. 64, no. 1, pp. 82-84
Publication Year
2001
Abstract
A new flavan-3-ol glycoside, (-)-epicatechin-5-O-β-D-glucosyl-3-benzoate (1), and two known compounds, (-)-epicatechin and (-)-epiafzelechin, were isolated from an EtOAc extract of Celastrus orbiculatus aerial parts that exhibited significant antioxidant effect in a 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical assay. The structure of 1 was elucidated by spectroscopic analyses, and compound 1 and its aglycon, (-)-epicatechin-3-benzoate (2), were found to be moderately active as antioxidants in the DPPH assay.
ISSN
0163-3864
Publisher
Amer Chem Soc
DOI
http://dx.doi.org/10.1021/np000251l
Type
Article
Appears in Collections:
Ochang Branch Institute > Anticancer Agent Research Center > 1. Journal Articles
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