Extraction and characterisation of pepsin-solubilised collagen from fins, scales, skins, bones and swim bladders of bighead carp (Hypophthalmichthys nobilis)

► PSC were extracted from the fins, scales, skins, bones and swim bladders of bighead carp. ► PSC from swim bladders and bones showed higher Tmax values than those from fins, scales and skins. ► PSC from the five tissues could all be used as a potential substitute for mammalian collagen.