rice protein peptide

Rice protein peptide refers to a mixture of short-chain peptides derived from the enzymatic hydrolysis of rice proteins. These peptides are smaller than intact proteins and are more easily absorbed by the body. Rice protein peptides are typically produced from non-GMO brown or white rice using enzymatic processes that break down larger proteins into bioactive oligopeptides[1][2][3]. They contain all essential amino acids and have high digestibility and low allergenicity compared to other plant-based proteins[1]. Mechanistically, specific bioactive peptides isolated from rice have demonstrated various physiological effects in preclinical studies: - Some tridecapeptides (e.g., QQFLPEGQSQSQK) derived from the endosperm exhibit antidepressant-like effects in animal models via activation of dopamine receptors[4]. - Other fractions show anti-inflammatory activity by modulating the Keap1–Nrf2 signaling pathway and regulating gut microbiota composition in colitis models[5]. - Certain peptides inhibit tyrosinase activity and melanogenesis in vitro, suggesting potential for skin health applications[6]. - Additional studies indicate anti-hypertensive (ACE inhibition), anti-diabetic (α-amylase inhibition), antioxidant, immune-modulatory, and muscle recovery benefits[8][1]. Rice protein peptide is primarily used as a dietary supplement ingredient for sports nutrition (muscle growth/repair), functional foods targeting metabolic health or mood support, or as hypoallergenic nutrition for individuals with milk/soy allergies.

Other names

hydrolyzed rice proteinrice hydrolysaterice peptiderice endosperm protein hydrolysate