Characterisation of acid-soluble and pepsin-solubilised collagen from jellyfish (Cyanea nozakii Kishinouye)

Food Chemistry
Junjie ZhangJoe M Regenstein

Abstract

Annual outbreaks of the Jellyfish (Cyanea nozakii Kishinouye) in the waters of the Yellow Sea and the East China Sea are regarded as a nuisance. Thus, utilizing this jellyfish species is of great significance to reduce harm to fisheries and marine environments. The yield of the acid-soluble collagens (ASCs) from the C. nozakii umbrella was 13.0% (dry weight) and that of the pepsin-solubilised collagens (PSCs) was 5.5% (dry weight). The SDS-PAGE patterns of the ASCs and PSCs differed from that of type I collagen, which indicate the presence of (α1)3. The denaturation temperature (Td) of the collagens was approximately 23.8°C. Fourier transform infrared spectroscopy proved that the ASCs and PSCs retained their helical structures and the As, Pb, and Hg content of the collagens, detected by ICP-MS, were considerably lower than the national standards. The results suggest that collagens isolated from C. nozakii can potentially be used as an alternative source of collagen for use in various applications.

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Citations

Aug 5, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Chang-Feng ChiBin Zhang
May 20, 2017·Marine Drugs·Jayachandran VenkatesanMin Suk Shim
Dec 10, 2014·Marine Drugs·Tiago H SilvaRui L Reis
Mar 10, 2018·Chemistry & Biodiversity·Fatuma Felix FelicianHanmei Xu
Dec 15, 2015·Journal of Food Science·Jun QianKiyoshi Yasukawa
Apr 10, 2021·Biomacromolecules·Dario FassiniRui L Reis
Jun 11, 2018·ACS Biomaterials Science & Engineering·Zahra RastianSapun H Parekh

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