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Physico-chemical, structural and techno-functional properties of gelatin from saithe (Pollachius virens) skin.

Abstract：

:Gelatin from saithe (Pollachius virens) skin, with high mineral content, was characterized and compared to marine gelatin from the market. As expected, gelatin extracted from the saithe skin had a high mineral content (>20%), compared to commercial gelatin (<0.2%). SDS-PAGE analysis revealed the presence of α-chains, β-chains and other high molecular weight aggregates. The absorption bands of gelatin in FTIR spectra were mainly situated in the amide band region (amide A, amide B, amide I, amide II and amide III), whereas DSC thermograms showed typical gelatin behavior. Interesting viscoelastic and higher foaming properties were observed for the saithe gelatins, compared to the market gelatins, probably due to the presence of high sea mineral content. The potential applications in food and cosmetic area of gelatin with high mineral content are presented and discussed in the conclusions.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Casanova F,Mohammadifar MA,Jahromi M,Petersen HO,Sloth JJ,Eybye KL,Kobbelgaard S,Jakobsen G,Jessen F

doi

10.1016/j.ijbiomac.2020.04.047

subject

Has Abstract

pub_date

2020-08-01 00:00:00

pages

918-927

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(20)32901-9

journal_volume

156

pub_type

杂志文章

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