通过冷解处理来定制康杰克葡萄康曼南/库德兰复合水凝的结构和机械性能
Xinxin Zeng1, Weiquan Zhong1, Fangjie He1
1Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutition, Ministry of Education, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian, 350002, China.
International journal of biological macromolecules
|November 6, 2024
概括
结解周期增强了康雅克葡萄甘/ (KGM/CUD) 的水凝,改善了质地和机械性能. 这种处理优化了凝微观结构和水的状态,以更好地开发食品产品.
科学领域:
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
- 聚合物化学 聚合物化学
背景情况:
- 康杰克葡萄甘/曲 (KGM/CUD) 复合水凝具有理想的凝性质.
- 提高KGM/CUD水凝的纹理和机械特性对于先进的应用至关重要.
- 结解处理被探索为一种修改水凝特性的方法.
研究的目的:
- 调查冷解周期,温度和持续时间对KGM/CUD水凝特性的影响.
- 阐明冷解处理引起的结构和机械变化.
- 为了优化结解参数,提高水凝性能.
主要方法:
- 扫描电子显微镜 (SEM) 和小角度X射线散射 (SAXS) 用于分析微观结构.
- 机械测试用于评估硬度,性和性.
- 差分扫描热量计 (DSC) 和低场核磁共振 (LF-NMR) 用于评估热特性和水状态.
主要成果:
- 结解处理通过挤出分子链和增加交联,创造了一个更密集的凝微结构.
- 最佳处理 (12小时-20°C) 减少了相关长度 (ξ),显著提高了硬度 (408x),性 (826x) 和性 (840x).
- 储能模量 (G') 增加到9872Pa,加热后的残量达到27.9%,水容量 (WHC) 减少到80.85%.
结论:
- 冷解处理是一种有效的策略,可以改善KGM/CUD水凝的纹理和机械性能.
- 处理促进了冰晶的形成,改变了水的状态,减少了水的流动性,以获得更坚固的凝.
- 这种方法为设计具有卓越感官特征的水凝产品提供了一个简单的途径.
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