High-Pressure Homogenization Lowers Water Vapor Permeability of Soybean Protein Isolate-Beeswax Films

文献类型： 外文期刊

第一作者： Zhang, Chao

作者： Zhang, Chao;Ma, Yue;Guo, Kuan;Zhao, Xiaoyan

作者机构：

关键词： High-pressure homogenization;water vapor permeability;soybean protein isolate;beeswax;hydrophobicity;bound beeswax

期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Soybean-protein isolate (SPI) has excellent film-forming capacity. However, the water vapor permeability of SPI film is high, which will cause the moisture lose of packaged products. The effect of high-pressure homogenization (HPH) on the water vapor permeability of SPI-beeswax films was evaluated. The HPH was effective at lowering the water vapor permeability of SPI-beeswax films to about 50% of the control. The HPH reduced the particle size of films and made their matrix more compact. The HPH improved the hydrophobicity of SPI-beeswax films. For the first time, we proved that the HPH improved the bound-beeswax content in SPI-beeswax films. The bound beeswax was effective at lowering the water vapor permeability of films rather than the fi-ee beeswax in the film matrix. In summary, the HPH lowered water vapor permeability of SPI-beeswax films by reducing their particle size and raising their hydrophobicity and bound-beeswax content.

分类号： R15

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