Table of Contents
Mar. Drugs, Volume 15, Issue 5 (May 2017)
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Cover Story (view full-size image) In the present work, collagen was obtained by pepsin extraction of skin from two species of teleost [...] Read more. In the present work, collagen was obtained by pepsin extraction of skin from two species of teleost and two species of chondrychtyes with yields varying between 14.16–61.17%. Storage conditions of skins appear to influence these collagen extractions yields. Pepsin soluble collagen (PSC) was enzymatically hydrolyzed and resultant hydrolysates were ultrafiltrated and characterized. Electrophoretic patterns showed the typical composition of type I collagen, with denaturation temperatures ranged between 23 °C and 33 °C. In terms of antioxidant capacity, results revealed significant intraspecific differences between hydrolysates, retentate and permeate fractions when using β-Carotene and DPPH methods and also showed interspecies differences between those fractions when using DPPH and ABTS methods. View this paper