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Effect of acid ensiling on the stability of visceral waste proteases of Indian major carp Labeo rohita.

Bhaskar, N. and Sathisha, A. D. and Sachindra, N. M. and Sakhare, P. Z. and Mahendrakar, N. S. (2007) Effect of acid ensiling on the stability of visceral waste proteases of Indian major carp Labeo rohita. Journal of Aquatic Food Product Technology, 16 (1). pp. 73-86.

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Abstract

Effects of acid ensiling upon the stability of various classes of proteinases present in the visceral wastes of rohu (Labeo rohita) were investigated. Changes in moisture, fat and ash contents were not significant (P greater than or equal to 0.05) during 4 wk of storage at ambient temp. (27 plus or minus 2 C). Fresh visceral waste had considerable proteinase activity and buffer extractable proteins (2.7% w/w). There was a significant reduction in buffer extractable proteins (BEP) immediately after acidification (P less than or equal to 0.05), which later increased in the 1st 2 wk, before decreasing further during storage. Marked decreases (P less than or equal to 0.05) in the specific activities (U/mg protein) of acidic, neutral and alkaline proteinases were observed during storage. The stability of the proteinases was negatively affected by acid ensiling, even with the use of weak acids like propionic and formic acid.

Item Type: Article
Uncontrolled Keywords: ACIDIFICATION-; CARP-; FATS-ANIMAL; MINERALS-; MOISTURE-CONTENT; PROTEINASES-; PROTEINS-ANIMAL; STABILITY-; STORAGE-; WASTES-; ANIMAL-FATS; ANIMAL-PROTEINS; ASH-; ROHU-; VISCERA-
Subjects: 600 Technology > 08 Food technology > 28 Meat, Fish & Poultry > Fish
600 Technology > 08 Food technology > 16 Nutritive value > 03 Proteins
Divisions: Meat Fish and Poultry Technology
Depositing User: Users 16 not found.
Date Deposited: 26 Jul 2011 11:48
Last Modified: 26 Jul 2011 11:48
URI: http://ir.cftri.res.in/id/eprint/6424

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