Abstract
Amidst increasing awareness of diet-health relationships, plant-derived bioactive peptides are recognized for their dual nutritional and health benefits. This study investigates bioactive peptides released after Alcalase hydrolysis of protein from chachafruto (Erythrina edulis), a nutrient-rich South American leguminous plant, focusing on their behavior during simulated gastrointestinal digestion. Evaluating their ability to scavenge radicals, mitigate oxidative stress, and influence immune response biomarkers, this study underscores the importance of understanding peptide interactions in digestion. The greatest contribution to the antioxidant activity was exerted by the low molecular weight peptides with ORAC values for the <3 kDa fraction of HES, GD-HES, and GID-HES of 0.74 ± 0.03, 0.72 ± 0.004, and 0.56 ± 0.01 (μmol TE/mg protein, respectively). GD-HES and GID-HES exhibited immunomodulatory effects, promoting the release of NO up to 18.52 and 8.58 µM, respectively. The findings of this study highlighted the potential of chachafruto bioactive peptides in functional foods and nutraceuticals, supporting human health through dietary interventions.
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