Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10305
Title: Two new antioxidant diarylheptanoids from the fruits of Alpinia oxyphylla
Authors: Bian, QY
Wang, SY
Xu, LJ
Chan, CO
Mok, DKW 
Chen, SB
Keywords: Alpinia oxyphylla
Antioxidant
Diarylheptanoid
Issue Date: 2013
Publisher: Taylor & Francis Ltd
Source: Journal of Asian natural products research, 2013, v. 15, no. 10, p. 1094-1099 How to cite?
Journal: Journal of Asian Natural Products Research 
Abstract: Two new diarylheptanoids, 1-(3′,5′-dihydroxy-4′- methoxyphenyl)-7-phenyl-3-heptanone (1) and 1-(2′,4′-dihydroxy- 3′-methoxyphenyl)-7-(4″-methoxyphenyl)-3-heptanone (2), along with known diarylheptanoid yakuchinone A (3), and five flavanoids, tectochrysin (4), chrysin (5), izalpinin (6), kaempferol 7, 4′-dimethyl ether (7), and kaempferide (8) were isolated from the fruits of Alpinia oxyphylla Miq. Their structures were determined by means of spectroscopic methods. Antioxidant activities of all the isolated compounds were evaluated using a 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. Compounds 1-3 and 6-8 exhibited potent antioxidant activities in the DPPH assay.
URI: http://hdl.handle.net/10397/10305
ISSN: 1028-6020
DOI: 10.1080/10286020.2013.816297
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