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Application of partial autoproteolysis to extraction of protein from Antarctic krill (Euphausia superba). Part 3. Changes in and yield of nitrogen substances during autoproteolysis of fresh and frozen krill

✍ Scribed by Kolakowski, E. ;Lachowicz, K.

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

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✦ Synopsis

Abstract

Respective utilities of the fresh and frozen (after a 10‐month storage at −21 °C) krill for precipitate production by means of partial autoproteolysis within 10–60 °C were compared. The highest yield of the precipitate was found at about 20 °C, regardless of the raw material used, although the optimal temperature ranges for the fresh and frozen krill were 20–30 °C and 10–20 °C, respectively. The main factors assisting the protein extraction during partial autoproteolysis were enzymatic protein hydrolysis in the fresh krill and the loosening of tissues brought about by water crystallization in the frozen krill.

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Application of partial autoproteolysis to extraction of protein from Antarctic krill (Euphasia superba) Part 1. Effect of pH on protein extraction intensity
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