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

文献类型： 外文期刊

作者： Zhang, Chao 1 ; Ma, Yue 1 ; Guo, Kuan 1 ; Zhao, Xiaoyan 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Vegetable Res Ctr, Beijing 100097, Peoples R China

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 ）

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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.

  • 相关文献

[1]Incorporations of blueberry extracts into soybean-protein-isolate film preserve qualities of packaged lard. Zhang, Chao,Guo, Kuan,Ma, Yue,Ma, Dan,Zhao, Xiaoyan,Guo, Kuan,Li, Xihong. 2010

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