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首页> 外文期刊>Carbohydrate Polymers: Scientific and Technological Aspects of Industrially Important Polysaccharides >Effects of heat-moisture treatment on normal and waxy rice flours and production of thermoplastic flour materials
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Effects of heat-moisture treatment on normal and waxy rice flours and production of thermoplastic flour materials

机译：热湿处理对普通和糯米粉及热塑性面粉原料生产的影响

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摘要

Different levels of heat-moisture treatment (HMT) were applied to normal and waxy rice flours. Changes in chemical composition and functional properties of both flours were investigated. It was found that HMT induced β-turn conformation of rice proteins. Levels of HMT and types of rice flour interactively influenced thermal properties and XRD patterns of flour. When heat-moisture treated flour was utilized for production of thermoplastic flour (TPF) materials, it was found that HMT improved continuity of injection molding, complete mold filling, and yielded homogenous TPF materials. HMT levels affected the mechanical, thermal and barrier properties of TPF resin and materials differently. The ratio of HMT level to native flours was proposed for use not only for resin processing and injection molding, but also for improving mechanical and barrier properties of TPF materials.
机译：普通和糯米粉采用了不同程度的热湿处理（HMT）。研究了两种面粉的化学组成和功能特性的变化。发现HMT诱导了水稻蛋白质的β-转构象。 HMT的水平和米粉的类型对面粉的热性能和XRD图谱有交互影响。当将经热湿处理的面粉用于生产热塑性面粉（TPF）材料时，发现HMT改善了注射成型的连续性，完全填充模具并生产出均质的TPF材料。 HMT含量对TPF树脂和材料的机械，热和阻隔性能的影响不同。建议将HMT与天然面粉的比例不仅用于树脂加工和注塑成型，而且还用于改善TPF材料的机械性能和阻隔性能。

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