2025. 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)]. 16, 3 (Sep. 2025), 445–455. DOI:https://doi.org/10.56042/ijnpr.v16i3.16188.