Synthesis and characterization of fish gelatin hydrogels for enhanced biopolymer applications
文献类型： 外文期刊
作者： Cheng, Wen-Long 1 ; Shan, Shan 1 ; Shu, Sheng 1 ; Liu, Guang-Xian 3 ; Yuan, Lin-Feng 3 ; Sha, Xiao-Mei 1 ; Tu, Zong-Cai 1 ;
作者机构： 1.Jiangxi Normal Univ, Coll Chem & Chem Engn, Natl R&D Ctr Freshwater Fish Proc, Nanchang 330022, Jiangxi, Peoples R China
2.Jiangxi Normal Univ, Coll Life Sci, Nanchang 330022, Jiangxi, Peoples R China
3.Jiangxi Acad Agr Sci, Inst Agr Prod Proc, Nanchang 330200, Jiangxi, Peoples R China
4.Nanchang Univ, State Key Lab Food Sci & Resources, Nanchang 330047, Jiangxi, Peoples R China
关键词： Fish gelatin; FG/PAM hydrogels; Thermogravimetric analysis
期刊名称：FOOD AND BIOPRODUCTS PROCESSING （ 影响因子：3.4； 五年影响因子：4.2 ）
ISSN： 0960-3085
年卷期： 2025 年 150 卷
页码：
收录情况： SCI
摘要： In this work, a novel fish gelatin (FG)-based hydrogel was synthesized, and various properties of the FG/Polyacrylamide (PAM) hydrogel were characterized including the properties of precursor, gelling process, mechanical and physical. With the FG mass ratio increased from 0 % to 10 %, the particle size of the solution increased from 0 nm to 673.67 nm, as well as the zeta potential shifted from negative (-1.57 mV) to positive (exceeds 11.0 mV). Moreover, the apparent viscosity of FG/Acrylamide (AAm) precursor solutions became more stable than that of the pure AAm solution. Eventually, during the gelling process, the gelation temperature of the FG/PAM hydrogel increased from 39.17 degrees C to 64.19 degrees C. The hydrogel exhibited over a 5-fold increase in compressive fatigue resistance at an 80 % strain level, with a maximum stress of 1.225 MPa (FG:AAm = 1.0:9.0) under various strain conditions. The microstructure of various FG/PAM hydrogels formed a spatially structured network and pores in the hydrogel. When FG content increased, the pores density became intensive and then loose. Additionally, the experiment results showed FG/PAM hydrogels exhibited excellent biodegradability. The findings of this study provide a foundation and promising prospect for further exploration and application of hydrogels incorporated with FG.
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