复配比对明胶-羟丙基甲基纤维素双水相体系微观结构和流变特性的影响

胡新楠; 朱成凯; 胡中泽; 纪执立; 金伟平; 郭城; 沈汪洋

doi:10.12187/2025.01.002

February 2025

Article Contents

HU Xinnan, ZHU Chengkai, HU Zhongze, et al. Effect of blended ratio on microstructure and rheological properties of gelatin-hydroxypropyl methylcellulose aqueous two-phase system[J]. Journal of Light Industry, 2025, 40(1): 11-20. doi: 10.12187/2025.01.002

Citation: HU Xinnan, ZHU Chengkai, HU Zhongze, et al. Effect of blended ratio on microstructure and rheological properties of gelatin-hydroxypropyl methylcellulose aqueous two-phase system[J]. Journal of Light Industry, 2025, 40(1): 11-20. doi: 10.12187/2025.01.002 shu

Effect of blended ratio on microstructure and rheological properties of gelatin-hydroxypropyl methylcellulose aqueous two-phase system

HU Xinnan ¹ ,
ZHU Chengkai ¹ ,
HU Zhongze ^1,2 ,
JI Zhili ^1,2,, ,
JIN Weiping ^1,2 ,
GUO Cheng ^1,2 ,
SHEN Wangyang ^1,2

1. School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China;
2. Key Laboratory of Deep Processing of Major Grain and Oil, Ministry of Education, Wuhan 430023, China

Corresponding author: JI Zhili, 13430275853@163.com
Received Date: 2024-03-01
Accepted Date: 2024-03-18

Abstract

To improve the processability and film-forming properties of hydroxypropyl methylcellulose (HPMC), the effects of the blended ratios (0∶10, 3∶7, 4∶6, 5∶5, 6∶4, and 10∶0) of gelatin(GA) and HPMC on the microstructure, physical stability, and rheological properties of the GA-HPMC aqueous two-phase system were investigated by using zein-pectin composite particles as stabilizers. The results showed that adding 0.3% zein-pectin composite particles could reduce the phase separation rate and phase separation degree of GA and HPMC, and this stability effect was enhanced with increasing HPMC proportion(4%~7%); Under the same mass fraction of zein-pectin composite particles, these systems with proportion of GA<5% formed a water-in-water structure with GA as the dispersed phase and HPMC as the continuous phase, and with the increase of the GA ratio, the viscosity and gel strength of GA-HPMC aqueous two-phase system increased; The gelling temperature (58.90~54.19 ℃) of the GA-HPMC aqueous two-phase system was significantly lower than that of pure HPMC solution (61.63 ℃), and its melting temperature (28.80~32.23 ℃) was positively correlated with the proportion of GA. The effect of the blended ratios on the stability and rheological properties of the GA-HPMC aqueous two-phase system showed an opposite trend, so a suitable blended ratio should be selected according to the actual requirements.
- gelatin,
- hydroxypropyl methylcellulose,
- aqueous two-phase system,
- zein-pectin composite particle,
- microstructure,
- rheological property
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Effect of blended ratio on microstructure and rheological properties of gelatin-hydroxypropyl methylcellulose aqueous two-phase system

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