Pectin and enzyme complex modified fish scales gelatin: rheological behavior, gel properties and nanostructure

Huang, Tao, Tu, Zong-cai, Wang, Hui, Shangguan, Xinchen, Zhang, Lu, Zhang, Nan-hai and Bansal, Nidhi (2017) Pectin and enzyme complex modified fish scales gelatin: rheological behavior, gel properties and nanostructure. Carbohydrate Polymers, 156 294-302. doi:10.1016/j.carbpol.2016.09.040

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Author Huang, Tao
Tu, Zong-cai
Wang, Hui
Shangguan, Xinchen
Zhang, Lu
Zhang, Nan-hai
Bansal, Nidhi
Title Pectin and enzyme complex modified fish scales gelatin: rheological behavior, gel properties and nanostructure
Journal name Carbohydrate Polymers   Check publisher's open access policy
ISSN 0144-8617
1879-1344
Publication date 2017-01-20
Year available 2016
Sub-type Article (original research)
DOI 10.1016/j.carbpol.2016.09.040
Open Access Status File (Author Post-print)
Volume 156
Start page 294
End page 302
Total pages 9
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Collection year 2018
Language eng
Abstract The rheological behavior, gel properties and nanostructure of complex modified fish scales gelatin (FSG) by pectin and microbial transglutaminase (MTGase) were investigated. The findings suggested that MTGase and pectin have positive effect on the gelation point, melting point, apparent viscosity and gel properties of FSG. The highest values of gel strength and melting temperature could be observed at 0.8% (w/v) pectin. Nevertheless, at highest pectin concentration (1.6% w/v), the gel strength and melting temperature of complex modified gelatin gels decreased. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) analysis revealed that MTGase catalyzed cross-links among soluble fish scales gelatin – pectin complexes, which could be responsible for the observed increase in rheological behavior, gel strength and melting temperature of modified complex gels.
Keyword Complex modified gelatin gels
Fish scales gelatin
Gel properties
Nanostructure
Rheological behavior
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Agriculture and Food Sciences
 
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