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准备-结构-功能关系,控制诱导的康杰克葡萄康曼南凝中的协同作用行为
Xiaoxuan Chen1, Yingfeng Zhang1, Chunan Sun1
1College of Food Science, Southwest University, Chongqing 400715, China.
Food chemistry
|November 7, 2025
概括
控制凝动力学,包括逐渐脱乙和较低的温度,显著减少konjac糖甘 (KGM) 凝中的协同作用. 这提高了KGM凝的稳定性,提高了网络的统一性,并延迟了水的释放.
科学领域:
- 食品科学与技术 食品科学与技术
- 材料科学 材料科学 材料科学
- 生物聚合物的化学化学
背景情况:
- 严重的自发合成是诱导的糖甘 (KGM) 凝的保质期稳定性的一个主要限制.
- 对于KGM凝中的协同作用的动力机制和有效调节策略尚未完全理解.
研究的目的:
- 研究诱导的KGM凝中的协同发生的动力机制.
- 探索抑制协同作用和提高KGM凝的储存稳定性的策略.
主要方法:
- 协同发生过程的动态分析.
- 控制的凝策略包括逐渐脱乙,缓冲性条件 (pH 10.5) 和较低的凝温度 (∼70°C).
- 对与残留乙含量,键和网络异质性的协同反应比的定量相关性分析.
主要成果:
- 合成遵循一阶动力学模型,在25°C时长时间释放水.
- 与传统方法相比,较慢的凝过程显著抑制了协同作用.
- 合成与剩余的乙含量,键强度和网络异质性密切相关.
结论:
- 控制的凝动力学增强了KGM凝中的网络均性,有效地延迟了结合水向自由水的过渡.
- 改进的网络统一性抑制了水的迁移,从而抑制了协同作用,提高了储存的稳定性.
- 提供的机械洞察力可以指导开发更稳定的基于KGM的食品产品和材料.
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