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Publication Details
Year :

2013

Journal :

Vimala Balasubramaniam, Suraiami Mustar, Norhayati Mustafa Khalid, Aswir Abd Rashed, Mohd Fairulnizal Mohd Noh, Matthew D Wilcox, Peter I Chater, Iain A Brownlee and Jeffrey P Pearson (2013). Inhibitory activities of three Malaysian edible seaweeds on lipase and alpha-amylase. Journal of Applied Phycology 25(5) 1405-1412

Abstract :

Ethanol extracts, dried powders and fibres (total and soluble fibre) of the tropical red algaeKappaphycus alvareziiKappaphycus striatus and Eucheuma denticulatum were analysed for their effect on lipase and α-amylase activity using turbidimetric method and dinitrosalicylic acid (DNS) assay, respectively. The nutrient composition analyses were determined using standard methods. The ethanol extract of dried Kstriatus (Ks-III) showed the highest reduction in lipase activity with 92 % inhibition followed by seaweed powders (Kalvarezii (Ka-III), Kstriatus (Ks-III) and E.denticulatum (Ed-III)) with average inhibition of 60 %. Soluble fibres of Kalvarezii (Ka-V) and E.denticulatum (Ed-V) showed significant inhibition with 60 and 57 % reduction, respectively. Only the ethanol extract of fresh Edenticulatum (Ed-I) showed 88 % inhibition of α-amylase. Nutritional component analyses showed that all three seaweeds are low in crude fat, suggesting the possible use of seaweed as a dietary supplement and for potential weight and glycaemia management.

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