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Three Antioxidant Compounds of the Red Alga Liagora farinosa  

Hannoda, Hala M. (Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University)
Badr, Jihan M. (Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University)
Yousef, Diaa T.A. (Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University)
Publication Information
Natural Product Sciences / v.13, no.2, 2007 , pp. 140-143 More about this Journal
Abstract
Investigation of the chloroform soluble fraction of the red alga Liagora farinosa, collected from Hurghada at the Red Sea resulted in the isolation of three compounds; a nucleoside (thymidine) and two glycosides (methyl-${\beta}$-D-xylopyranoside and glycerol-2-${\alpha}$-D-glucopyranoside). The structures of the isolated compounds were established on the basis of different spectroscopic techniques as well as comparison with the previously published data. This is the first report for the isolation of the three compounds fron red algae; moreover, the compounds were examined for their antioxidant activity and showed variable activity.
Keywords
Red algae; Liagora farinosa; nucleoside; methyl-${\beta}$-D-xylopyranoside; glycerol-2-${\alpha}$-D-glucopyranoside; antioxidant activity;
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