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In Vitro Antioxidant and Free Radical Scavenging Activity and Chemometric Approach to Reveal Their Variability in Green Macroalgae from South Andaman Coast of India

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Title In Vitro Antioxidant and Free Radical Scavenging Activity and Chemometric Approach to Reveal Their Variability in Green Macroalgae from South Andaman Coast of India
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Creator T. Sivaramakrishnan
Sachidananda Swain
K. Saravanan
Kiruba Sankar
S. Dam Roy
Lipika Biswas
Baby Shalini
 
Subject Marine macroalgae
total phenol
flavonoids
carotenoids
antioxidant activity
 
Description Not Available
Total phenol, flavonoid, carotenoid and antioxidant activity of four green macroalgae (Halimeda tuna, Halimeda macroloba, Enteromorpha sp. and Acetabularia acetabulum) collected from South Andaman coast were analysed in this study. The results revealed that methanol extract of Enteromorpha sp. showed maximum phenolic, flavonoid and carotenoid content of 5.72±0.13 mg GAE/g, 21.15±1.05 mg RE/g and 47.78±0.46 μg/g respectively. All the analysed macroalgae species exhibited antioxidant activities in dose dependent manner among which Enteromorpha sp. demonstrated greater antioxidant potential. A. acetabulum exhibited greater ABTS (2, 2-azinobiz-3-ethylbenthiazoline-6-sulfonic acid) radical scavenging ability (92%) as evident by its low IC50 (6.30 mg/ml) in comparison to other species. Based on factor analysis, up to two principal components were chosen to explain variability in 10 independent phytochemicals. The antioxidant potential reveals their potential for future applications in medicine, dietary supplements as well as the natural source of immunostimulants.
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Date 2019-08-31T10:43:01Z
2019-08-31T10:43:01Z
2016-12-27
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/22835
 
Language English
 
Relation Not Available;
 
Publisher Not Available