Thermal transition properties of hoki (Macruronus novaezelandiae) and ling (Genypterus blacodes) skin collagens: implications for processing.

Hoki (Macruronus novaezelandiae) and ling (Genypterus blacodes) are cold-water fish caught in New Zealand waters. Their skins are a major component of the post-processing waste stream. Valuable products could be developed from the skins, as they are primarily composed of collagen, which has many commercial applications.