alexa Evaluation of physicochemical properties, proximate and nutritional composition of Gracilaria edulis collected from Palk Bay.
Geology & Earth Science

Geology & Earth Science

Journal of Coastal Zone Management

Author(s): Sakthivel R, Pandima Devi K

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Abstract Gracilaria edulis, a red alga present in southeast coast of India was evaluated for its nutritional composition. FT-IR analysis of soluble polysaccharides revealed the presence of galactans, 3,6-anhydro-α-L-galactopyranose, sulphated galactose and the gelling agent agar, with the sulphate content estimated as 51.01 μg/mg of polysaccharide. Results of physicochemical properties and nutritional profile reveal the presence of dietary fibre (8.9 ± 0.62\% DW), carbohydrate (101.61 ± 1.8 mg/g DW), crude protein (6.68 ± 0.94 mg/g DW) and lipid content (8.3 ± 1.03 mg/g DW). G. edulis contains biologically important fatty acids like palmitic acid (2.06\%), linolenic acid (2.56\%), and oleic acid (1.98\%). The other nutritional components present in high amounts are proline, chlorophyll A and B, all the essential amino acids and vitamin A, E and C. These findings suggest that G. edulis has potent nutritional value which might be used as a source of nutrients for human and animals. Copyright © 2014 Elsevier Ltd. All rights reserved. This article was published in Food Chem and referenced in Journal of Coastal Zone Management

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