The photostabilizing capacity of collagen peptide and its performance on the properties of white-syntan-vegetable tanned leather. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)], [S. l.], v. 16, n. 3, p. 445–455, 2025. DOI: 10.56042/ijnpr.v16i3.16188. Disponível em: https://or.niscpr.res.in/index.php/IJNPR/article/view/16188. Acesso em: 30 may. 2026.