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Research Article: A comparative study on some properties and antioxidant activity of Hypophthalmichthys molitrix (Valenciennes, 1844) protein hydrolysates produced by different hydrolysis methods
A. Hasanzati Rostami, A. Motamedzadegan *, S.E. Hosseini, M. Rezaei, A. Kamali
Department of Food Science and Technology, Sari Agricultural Sciences and Natural Resources University, P.O. Box 578, Sari, Iran , amotgan@yahoo.com
Abstract:   (149 Views)
Some functional, physicochemical and antioxidant properties of Hypophthalmichthys molitrix protein hydrolysates produced by alcalase (SCPH-alcalase), acid (SCPH-acidic) and alkaline (SCPH-alkaline) were investigated. No significant difference was observed for degree of hydrolysis (DH), L*, a* and b* values among all types of hydrolysate samples (p>0.05). The highest protein recovery, protein and essential amino acids content were observed in SCPH-alcalase. All protein hydrolysates displayed antioxidant activities, that enhanced by increasing the hydrolysates concentration. The chemical hydrolysates had the highest DPPH (2, 2-diphenyl-1-picrylhydrazyl) radical scavenging activity, while SCPH-alcalase showed the highest ABTS (2, 2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid)) radical-scavenging activity and FRAP (Ferric reducing antioxidant power) (p<0.05). The highest solubility and the lowest fat adsorption were observed with the SCPH-alcalase (p<0.05). Increased numbers of hydrophilic groups of SCPH-alcalase are supported by FTIR spectra. The results showed the significant effect of different hydrolysis conditions on hydrolysates properties and indicated alcalase enzyme might be more suitable to produce hydrolysates with desirable functional, nutrition and antioxidative properties.
Keywords: Fish protein hydrolysate, Hypophthalmichthys molitrix, Chemical hydrolysis, Enzymatic hydrolysis, Antioxidant capacities
Full-Text [PDF 440 kb]   (98 Downloads)    
Type of Study: Orginal research papers | Subject: Fish processing
Received: 2017/12/31 | Accepted: 2018/05/28 | Published: 2022/12/18
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Hasanzati Rostami A, Motamedzadegan A, Hosseini S, Rezaei M, Kamali A. Research Article: A comparative study on some properties and antioxidant activity of Hypophthalmichthys molitrix (Valenciennes, 1844) protein hydrolysates produced by different hydrolysis methods. IJFS 2022; 21 (5) :1204-1221
URL: http://jifro.ir/article-1-3230-en.html


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Volume 21, Issue 5 (2022) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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