Preparation, Physicochemical and Antioxidant Properties of Acid- and Pepsin-Soluble Collagens from the Swim Bladders of Miiuy Croaker (Miichthys miiuy )

Marine Drugs
Wen-Hao ZhaoBin Wang

Abstract

Collagen is one of the most useful biomaterials and widely applied in functional food and cosmetics. However, some consumers have paid close attention to the safety of mammalian collagens because of the outbreaks of bovine spongiform encephalopathy (BSE), foot-and-mouth disease (FMD), and other prion diseases. Therefore, there is a strong demand for developing alternative sources of collagen, with one promising source being from the process by-products of commercial fisheries. In this report, acid-soluble collagen (ASC-SB) and pepsin-soluble collagen (PSC-SB) from swim bladders of miiuy croaker (Miichthys miiuy) were isolated with yields of 1.33 ± 0.11% and 8.37 ± 0.24% of dry swim bladder weight. Glycine was the major amino acid present, with a content of 320.5 (ASC-SB) and 333.6 residues/1000 residues (PSC-SB). ASC-SB and PSC-SB had much lower denaturation temperatures compared to mammalian collagen, a consequence of low imino acid contents (196.7 and 199.5 residues/1000 residues for ASC-SB and PSC-SB, respectively). The data of amino acid composition, SDS-PAGE pattern, UV and FTIR spectra confirmed that ASC-SB and PSC-SB were mainly composed of type I collagen. FTIR spectra data indicated there were more hydrogen bonding and...Continue Reading

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Apr 24, 2016·International Journal of Biological Macromolecules·Ya'nan YangGuoying Qian
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Citations

Nov 23, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Fei YangYunping Tang
Sep 10, 2018·Environmental Science and Pollution Research International·Qian-Bin LuoBin Wang
Jan 20, 2021·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Murat KazanciGihan Kamel
Feb 18, 2020·Colloids and Surfaces. B, Biointerfaces·Maria do L Linhares Rodrigues MenezesMen de Sá Moreira de S Filho
Oct 7, 2021·Communications Biology·Hualong BaiZhuo Li

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Methods Mentioned

BETA
Infrared Spectroscopy
viscosity measurement
electrophoresis
scanning electron microscopy

Software Mentioned

Viscometry
SPSS

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