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Title 

Antioxidant Benzoylated Flavan-3-ol Glycoside from Celastrus orbiculatus

Authors 

Bang Yeon HwangHang Sub KimJeong Hyeong LeeYoung Soo HongJai Seup RoKyong Soon LeeJung Joon Lee

Publisher 

American Chemical Society

Issue Date 

2001

Citation 

Journal of Natural Products, vol. 64, no. 1, pp. 82-84

Keywords 

antioxidantepicatechin 3 benzoateepicatechin 5 o beta dextro glucosyl 3 benzoateflavanol derivativeglycosideantioxidant activitycelastrus orbicularisdrug isolationantioxidantshydrolysis

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

Link 

http://dx.doi.org/10.1021/np000251l

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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