The objective was to extract type I collagen and determine its ideal extraction conditions, technological parameters, and antioxidant properties. A 2 × 3factorial design was used, with variations in the type of enzyme and hydrolysis time. The treatments that presented the highest yield based on protein content (70.46% and 64.57%) and collagen content (34.65 and 49.05 g/100 g) were the samples subjected to acid hydrolysis-enzymatic for 12 h (CP12 and CB12). CB12 demonstrated greater water absorption capacity (WA), while CP12 demonstrated greater water solubility (WS) and antioxidant activity. CP12 is the most promising collagen extract for use as a bioactive ingredient in foods.
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Alves et al. (2024) studied this question.
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