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Functional, antioxidant and antibacterial properties of protein hydrolysates prepared from fish meat fermented by Bacillus subtilis A26

Paper ID Volume ID Publish Year Pages File Format Full-Text
34373 45020 2014 10 PDF Available
Title
Functional, antioxidant and antibacterial properties of protein hydrolysates prepared from fish meat fermented by Bacillus subtilis A26
Abstract

•Fermented fish meat protein hydrolysates (FPHs) by Bacillus subtilis A26 were prepared.•Composition and functional properties of FPHs: a comparative study.•All FPHs exhibited significant antioxidant and antibacterial activities.

Composition, functional properties and in vitro antioxidant and antibacterial activities of protein hydrolysates prepared with a proteolytic bacterium, Bacillus subtilis A26, through fermentation of fish proteins were investigated. Fermented fish meat protein hydrolysates (FPHs) were prepared from sardinelle (SPH), zebra blenny (ZPH) goby (GPH) and ray (RPH). The protein content of freeze-dried FPHs ranged from 74.3% to 81%. All fermented hydrolysates had an excellent solubility and possessed interfacial properties. The antioxidant activities of FPHs were evaluated by different methods, including 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical method, reducing power assay, β-carotene bleaching and DNA nicking assay. All hydrolysates showed dose-dependent antioxidant activities. Further, FPHs exhibited antibacterial activity and SPH was the most effective, particularly against Gram positive bacteria.

Keywords
Fermented fish meat protein hydrolysates; B. subtilis A26; Functional properties; Antioxidant; Antibacterial
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Functional, antioxidant and antibacterial properties of protein hydrolysates prepared from fish meat fermented by Bacillus subtilis A26
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 49, Issue 6, June 2014, Pages 963–972
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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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
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