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Title 

Ellagic acid rhamnosides from the stem bark of Eucalyptus globulus

Authors 

Jong Pyung KimIn Kyoung LeeBong Sik YunSung Hyun ChungGyu Seop ShimHiroyuki KoshinoIck Dong Yoo

Publisher 

Elsevier

Issue Date 

2001

Citation 

Phytochemistry, vol. 57, no. 4, pp. 587-591

Keywords 

eucalyptus globulusmyrtaceaestem barkellagic acid rhamnosidesantioxidant activity

Abstract 

Four ellagic acid rhamnosides were isolated from the stem bark of Eucalyptus globulus. Their structures have been established on the basis of the analysis of their 1H NMR, 13C NMR, HMBC, IR and MS spectral data. The HMBC data of these compounds were most useful for their structure determinations, with these bring determined to be 3-O-methylellagic acid 3′-O-α-rhamnopyranoside, 3-O-methylellagic acid 3′-O-α-3″-O-acetylrhamnopyranoside, 3-O-methylellagic acid 3′-O-α-2″-O-acetylrhamnopyranoside, 3-O-methylellagic acid 3′-O-α-4″-O-acetylrhamnopyranoside, respectively. Their antioxidant activities were evaluated by measuring the inhibition of lipid peroxidation using rat liver microsomes, with IC50 values of 10.0-14.0 μg/ml.

ISSN 

0031-9422

Link 

http://dx.doi.org/10.1016/S0031-9422(01)00146-7

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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