Studies of Chemical Constituents from Rosa chinensis Jacq.

doi:10.7503/cjcu20120335

Chem. J. Chinese Universities ›› 2012, Vol. 33 ›› Issue (11): 2457.doi: 10.7503/cjcu20120335

• Organic Chemistry • Previous Articles Next Articles

Studies of Chemical Constituents from Rosa chinensis Jacq.

WANG Lei, FU Ling, JING Lin-Lin, A You-Mei, JIA Lu

School of Pharmacy, Zhengzhou University, Zhengzhou 450001, China

Received:2012-04-10 Online:2012-11-10 Published:2012-10-15

Abstract

Abstract:

In order to separate and purify the chemical constituents from Rosa chinensis Jacq., which have DPPH· scavenging capacity, dried Rosa chinensis flowers were extracted three times with 95% ethanol under reflux. This extract was then fractionated by column chromatography over silica gel, MCI gel, Sephadex LH-20, etc. A new compound[quercetin 3-O-(2",6"-digalloyl)-β-D-glucoside, 1] and nine known compounds (2-10) were isolated from Rosa chinensis Jacq. and identified using spectroscopic methods. Their antioxidant activity was assayed using DPPH· experiments. The results indicated that compounds 1, 2, 4 and 9 had good antioxidant activity.

Key words: Rosa chinensis Jacq., Chemical constituent, Quercetin 3-O-(2″,6″-digalloyl)-β-D-glucoside

CLC Number:

O621.2

TrendMD:

WANG Lei, FU Ling, JING Lin-Lin, A You-Mei, JIA Lu. Studies of Chemical Constituents from Rosa chinensis Jacq.[J]. Chem. J. Chinese Universities, 2012, 33(11): 2457.

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Studies of Chemical Constituents from Rosa chinensis Jacq.

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