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Production, characterization and application of protein isolates from shark. Part 2. Influence of extraction conditions on the nitrogen yield and functional properties of protein isolates

โœ Scribed by Mendez, A. ;Schultz, M. ;Muschiolik, G. ;Schmandke, H.

Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
281 KB
Volume
26
Category
Article
ISSN
0027-769X

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โœฆ Synopsis

Abstract

The influence of pH, ionic strength and solidโ€liquid ratio on the nitrogen yield and functional properties of those isolates which can be produced through extractionโ€precipitation procedures was studied. Two 2^3^ factorial plans were executed for the extraction in acidic and basic medium respectively. There is a correlation between defined extraction variables in both media, the nitrogen yield and the nitrogen solubility index (NSI) by pH 3,5. The NSI by pH 7,0 and the oil absorption, on the one hand, and the water absorption, the heat coagulate hardness, on the other hand, correlate with defined extraction variables in acidic and basic medium respectively.

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