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Effect of alcalase-mediated hydrolysis on the free radical scavenging activity and reducing power of whey protein isolate | ||
| Journal of Food and Bioprocess Engineering | ||
| دوره 4، شماره 1، شهریور 2021، صفحه 58-62 اصل مقاله (580.35 K) | ||
| نوع مقاله: Original research | ||
| شناسه دیجیتال (DOI): 10.22059/jfabe.2021.317538.1081 | ||
| نویسندگان | ||
| Zeinab Mehdipour Biregani* ؛ Hamed Ahari* | ||
| Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| چکیده | ||
| In the present study, the effect of enzymatic hydrolysis on the antioxidant properties of whey protein isolate (WPI) was studied. Therefore, the whey protein solution was hydrolyzed for 5 h using alcalase enzyme. The antioxidant properties were measured using different methods including reducing power assay, DPPH radical scavenging test, and ABTS radical scavenging activity. The results showed that the enzymatic hydrolysis significantly (p < 0.05) increased the antioxidant activity of WPI and the resulting hydrolysates had better reducing power and free radical scavenging activity compared to the non-hydrolyzed counterpart. The results also showed that the highest level of antioxidant activity was related to the samples that were hydrolyzed for 5 h using alcalase enzyme and the lowest level of antioxidant activity was related to the native WPI. Therefore, the results of the present study suggested that the hydrolysates of WPI produced by action of the alcalase enzyme can be used as a natural antioxidant to replace synthetic antioxidants that have harmful effects on health, in various food formulations. The use of these antioxidant hydrolysates in food products can improve their health-related properties. | ||
| کلیدواژهها | ||
| Whey proteins؛ Bioactive peptides؛ Enzymatic hydrolysis؛ Antioxidant activity | ||
| مراجع | ||
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