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Hydrolysates from Atlantic cod (Gadus morhua L.) viscera as components of microbial growth media

Paper ID Volume ID Publish Year Pages File Format Full-Text
36579 45137 2005 9 PDF Available
Title
Hydrolysates from Atlantic cod (Gadus morhua L.) viscera as components of microbial growth media
Abstract

Three hydrolysates made from cod viscera by different enzymatic hydrolysis procedures were tested as a combined source for nitrogen, amino acids and vitamins in microbial growth media. Using a panel of five different microbes: Escherichia coli, Bacillus subtilis, Lactobacillus sakei, Saccharomyces cerevisiae and Aspergillus niger, the performance of these viscera hydrolysates was compared to the performance of common commercial peptones in an automated growth analyzer (Bioscreen C). The results show that the fish hydrolysates in general are promising alternatives to currently available commercial nitrogen sources of other origins. In the case of the food-grade and nutritionally fastidious L. sakei, two of the fish hydrolysates were clearly superior to all tested commercial peptones. For several microbes, the choice of the proteolytic enzymes used to produce the fish hydrolysate had considerable impact on performance of the resulting hydrolysate, both in terms of maximum growth rate and biomass production. In terms of hydrolysate performance, the generally best enzyme for production of a fish peptone from cod viscera was found to be Alcalase.

Keywords
Fish hydrolysate; Viscera; Microbial growth; Growth media; Peptone
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Hydrolysates from Atlantic cod (Gadus morhua L.) viscera as components of microbial growth media
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 40, Issue 12, December 2005, Pages 3714–3722
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us