Journal
FOOD REVIEWS INTERNATIONAL
Volume 38, Issue 4, Pages 812-855Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/87559129.2020.1747486
Keywords
Fish gelatin; gel strength; antioxidant properties; antihypertensive properties; surface-active properties
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Funding
- University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka [ASP/01/RE/SCI/2019/13]
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Gelatin is a widely used protein derived from collagen, with aquatic gelatins gaining attention as a new source. Recent studies have shown that aquatic gelatins possess bioactive properties, such as antioxidant and antihypertensive effects.
Gelatin, which is widely used in the food industry, is a protein derived from partial denaturation of collagen. The primary sources of industrial gelatin are porcine skin or bovine hide, but their utilization is restricted due to disease outbreaks and on religious grounds. Therefore, gelatin derived from aquatic organisms is attracting widespread interest and can be a good source for harvesting of such proteins. Also, numerous studies have demonstrated bioactive (mainly antioxidant and antihypertensive) properties of enzymatic hydrolysates of aquatic gelatins. This review summarizes sources, significance, functional and bioactive properties of aquatic gelatins as revealed by recent studies.
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