期刊
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
卷 54, 期 10, 页码 3370-3373出版社
SPRINGER INDIA
DOI: 10.1007/s13197-017-2784-4
关键词
Red algae; Plocamium species; Halogenated monoterpene; Antioxidant activity
资金
- University of Namibia Research and Publication Office [URPC/2014/184]
- Regional Initiative in Science and Education [7412-2735]
The antioxidant potential of various marine natural products is well documented. The aim of this study was to evaluate the antioxidant potential of a rare halogenated monoterpene, namely; 1E,3R,4S,5E,7Z-1-bromo-3,4,8-trichloro-7-(dichloromethyl)-3-methylocta-1,5,7-triene (1) for the first time. This compound was isolated from a Namibian red algal Plocamium species. The antioxidant activity of the compound was evaluated using a series of antioxidant assays, namely; 2,2-diphenyl-1-picryl-hydrazyl radical (DPPH), reducing power, nitric oxide (NO) and hydrogen peroxide (H2O2). The compound demonstrated remarkable DPPH, NO and H2O2 scavenging activities with IC50 values of 0.05 +/- 0.01, 4.18 +/- 0.22 and 5.58 +/- 1.11 mM, respectively. The reducing power of the compound increased with an increase in concentration. These results were compared to the absorbance of ascorbic acid, which was used as a standard control in all the antioxidant assays. The results strongly suggest that compound 1 is a promising antioxidant agent with potential commercial applications.
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