各种热处理方法对无大麦β-葡萄糖的凝特性的影响
Yong Xie1, Qingqing Liu2, Jia Shi2
1School of Material and Chemical Engineering, Tongren University, Tongren 554300, China; School of Food Science, Southwest University, Chongqing 400715, China.
Food chemistry
|August 1, 2025
概括
大麦β-葡萄糖的爆发扩张通过增加分子量和改善链形状,显著提高了其凝性质. 其他热处理,如皮烤和炸,也会影响凝,而蒸汽闪光爆炸则会阻碍其.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物聚合物的化学化学
- 材料科学 材料科学 材料科学
背景情况:
- 大麦β-葡萄糖是一种有价值的多糖化合物,具有多样化的食品应用.
- 热处理是修改β-葡萄糖的物理化学性质的关键方法.
- 了解不同热处理对β-葡萄糖凝的影响对于优化其在食品中的使用至关重要.
研究的目的:
- 为了研究各种热处理技术对无大麦β-葡萄糖的凝特性的影响.
- 为了比较脱皮烤制 (FR),制 (SF),蒸汽闪爆 (SFE) 和爆发膨胀 (PE) 在β-葡萄糖特性上的有效性.
- 阐明分子量,链形状和凝性能之间的关系.
主要方法:
- 无皮大麦β-葡萄糖经过了四种热处理方法:FR,SF,SFE和PE.
- 评估了凝性质,包括分子量 (Mw),水容量,可溶性,泽塔潜力,凝稳定性和质地.
- 使用原子力显微镜 (AFM),共聚焦激光扫描显微镜 (CLSM) 和传输电子显微镜 (TEM) 进行了微结构分析.
主要成果:
- 经过爆发扩张 (PE) 处理的β-葡萄糖呈现出最高分子量 (5243.6 kDa) 和优越的凝性质 (持水能力,可溶性,泽塔潜力,凝稳定性,质地).
- 蒸汽闪电爆炸 (SFE) 处理的β-葡萄糖具有最低的分子量 (89.9 kDa),即使在高度下也无法凝.
- 显微镜显示,PE诱导的形状变化增强了β-葡萄糖集群的稳定性,从而改善了凝.
结论:
- 热处理显著改变大麦β-葡萄糖的分子量和链形状,严重影响其凝能力.
- 爆发扩张是一种高效的方法,可以提高大麦β-葡萄糖凝性能.
- β-葡萄糖凝是一种复杂的过程,受分子重量和链形状的控制,可以通过有针对性的热处理来修改.
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