Physiochemical and functional properties of tiger puffer (Takifugu rubripes) skin gelatin as affected by extraction conditions

Physiochemical and functional properties of tiger puffer (Takifugu rubripes) skin gelatin as affected by extraction conditions

•γ- and β-Chain degraded with fragments formation when extracted with temperature >55°C and time >6h.•Gel strength decreased while T22 relaxation time increased with increased temperature and time.•EAI and ESI increased as time prolonged or temperature climbed in agreement with microscopic obs...

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Veröffentlicht in:International journal of biological macromolecules 2018-04, Vol.109, p.1045-1053
Hauptverfasser: Pan, Jinfeng, Li, Qi, Jia, Hui, Xia, Lining, Jin, Wengang, Shang, Meijun, Xu, Chang, Dong, Xiuping
Format: Artikel
Sprache:eng
Schlagworte:
Fish skin gelatin
Functional properties
Physiochemical properties
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Zusammenfassung:•γ- and β-Chain degraded with fragments formation when extracted with temperature >55°C and time >6h.•Gel strength decreased while T22 relaxation time increased with increased temperature and time.•EAI and ESI increased as time prolonged or temperature climbed in agreement with microscopic observation of emulsion droplet.•Fish odor increased coincided with increased volatile compounds. The study investigated physiochemical and functional properties of gelatins from tiger puffer skin (GTPS) extracted with warm-water method at 45, 55 and 65°C for 3, 6 and 12h. GTPS45 exhibited strong γ-, β-, α1- and α2-chains, but they faded with the presence of fragments (
ISSN:0141-8130
1879-0003
DOI:10.1016/j.ijbiomac.2017.11.080