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Asian Pac J Trop Med. 2011 Mar;4(3):205-11. doi: 10.1016/S1995-7645(11)60070-9. Epub 2011 Apr 12.

In vitro antioxidant activities of selected seaweeds from Southeast coast of India.

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1
Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai- 608502, Tamil Nadu, India.

Abstract

OBJECTIVE:

In vitro antioxidant activities of three selected Indian seaweeds viz., Halimeda tuna (H. tuna), Turbinaria conoides (T. conoides) and Gracilaria foliifera (G. foliifera) were evaluated.

METHODS:

Total antioxidant activity, total phenolic content, and reducing power of crude methanol and diethyl ether extracts were determined.

RESULTS:

Total phenolic content and total antioxidant activity were higher (1.231±0.173 mg GAE/g, 1.675± 0.361 mg GAE/g) in T. conoides respectively. Reducing power of crude methanol extract increased with concentrations of the extract. The Fourier transform-infra red spectrum analysis revealed the presence of polyphenolic signals. The seaweed extracts displayed moderate antioxidant activity compared to gallic acid standard.

CONCLUSIONS:

The seaweeds could be considered for curing diseases from oxidative deteriorations.

PMID:
21771454
DOI:
10.1016/S1995-7645(11)60070-9
[Indexed for MEDLINE]
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