Demonstrates antioxidant activity of salmon skin collagen hydrolysates, suggesting food waste valorization.
• UAE-AcOH recovered high-purity type I collagen from salmon skin. • Optimized extraction gave 48.56% yield on a dry-weight basis. • Low-MW hydrolysate fractions showed strong ABTS scavenging activity. • E-tongue and E-nose revealed hydrolysis-driven sensory changes. • The process supports food-grade valorization of salmon-skin by-products.
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Xu et al. (2026) studied this question.
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