麸皮
沉淀
色散(光学)
淀粉
化学
食品科学
热稳定性
浊度
分散稳定性
材料科学
流变学
化学工程
农学
生物化学
复合材料
生物
环境科学
光学
环境工程
有机化学
原材料
物理
工程类
生态学
肺表面活性物质
作者
Dacheng Feng,Sijia Yin,Xiaobo Wen,Pu Jing
标识
DOI:10.1016/j.foodchem.2024.139348
摘要
Poor dispersion stability of nutritious rice bran milk limits its production. In this study, the dispersion stability of rice bran milk after heating at 95 °C for 0–5 min was investigated. Visual observation revealed improved dispersion stability and changes in settling behavior with heat durations. After heating for 5 min, the serum turbidity increased from 1.86 to 2.95. The centrifugal sedimentation rate unexpectedly rose from 9.25% to 29.18%, indicating an increase in volumetric particle concentration. Fourier transform infrared spectroscopy revealed that heating induced starch gelatinization and protein denaturation in rice bran milk, leading to increased volumetric particle concentration. Rice bran protein aggregates after heating were developed and embedded in the gel-like network composed of swollen starch granules. These results suggested that rice bran milk, due to thermal-induced alteration in biomacromolecules, may behave progressively from free settling to hindered settling to compression settling, resulting in improved dispersion stability.
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