Biostabilization and preparation of protein hydrolysates from delimed leather fleshings

Bhaskar, N. and Sakhare, P. Z. and Suresh, P. V. and Lalitha, R. Gowda and Mahendrakar, N. S. (2007) Biostabilization and preparation of protein hydrolysates from delimed leather fleshings. Journal of Scientific and Industrial Research, 66 (12). pp. 1054-1063.

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Abstract

Wet leather fleshings (LFs) from sheep and goatskins had high alkaline pH (12.1) and ash (18.1%) due to liming of fresh skins for leather production. Treatment of limed fleshings with 0.1% H2O2 (1:10 v/v) followed by 0.2 HCl (1:10 w/v) solutions produced very little or no H2S. Delimed fleshings, mixed with 19.5% (v/w) Pediococcus acidolactici culture, 20% (w/w) sugar and 2% (w/w) common salt, on fermentation at 30±2°C yield silage (protein 7%, fat 8% and ash 3.6%), which can be used in animal feeds. Optimized conditions (enzyme, 1.5% v/w of Protex-6L; temp., 55°C; hydrolysis time, 180 min) for hydrolyzing delimed LFs were determined by RSM. LFs yield white hydrolysate (yield, 3.5%; nitrogen, 12.4%; and fat, 1.5% w/w), which can be used in aquaculture and animal feeds to supplement arginine, phenylalamine and tyrosine.

Item Type:	Article
Uncontrolled Keywords:	Amino acids; Deliming; Protex-6L
Subjects:	600 Technology > 08 Food technology > 28 Meat, Fish & Poultry
Divisions:	Meat Fish and Poultry Technology
Depositing User:	Users 197 not found.
Date Deposited:	23 Feb 2011 07:02
Last Modified:	22 Dec 2016 10:41
URI:	http://ir.cftri.res.in/id/eprint/9921

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