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机械力化学效应 |
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超高压微射流均质 |
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花生球蛋白 |
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微观结构 |
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热稳定性 |
| 本文作者相关文章 | |
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张雪春 |
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涂宗财 |
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郑为完 |
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黎鹏 |
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陈钢 |
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王辉 |
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豆玉新 |
| PubMed | |
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Article by Zhang, X. C. |
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Article by Chu, Z. C. |
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Article by Zheng, W. K. |
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Article by Li, F. |
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Article by Chen, G. |
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Article by Wang, H. |
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Article by Dou, Y. X. |
以花生球蛋白为原料，研究超高压微射流均质对花生球蛋白作用的机械力化学效应，通过电镜扫描(SEM)、SDS-PAGE、荧光光谱(FLU)和差热式扫描(DSC)对超高压微射流均质后花生球蛋白的微观形貌、亚基组成、表面疏水性和热稳定性进行分析。结果表明：在超高压微射流的机械力作用下，花生球蛋白的亚基和分子量几乎不受影响；花生球蛋白的颗粒和热稳定性随着处理压力的增大而减小，分别在80 MPa和120 MPa时达到最小；表面疏水性随着处理压力的增大而增强，在160 MPa时达到最大。超高压微射流均质过程的机械力化学效应可使花生球蛋白的微观形貌和三维结构改变，热稳定性降低。
Pressure Microfluidization
Mechano-chemical effects on arachin in the process of high pressure microfluidization (HPM)
were studied. The micro-morphology, subunits, surface hydrophobicity and the thermal stability of homogenized
arachin were analyzed by scanning electron microscopy (SEM), SDS-PAGE, fluorescence spectra
(FLU) and differential scanning calorimetry (DSC). The results showed that the subunits and the molecular
weight of arachin were not affected by HPM. The particle size and the thermal stability of arachin decreased
with the pressure increasing, and the minima were observed at 80 and 120 MPa, respectively. The surface
hydrophobicity of arachin increased with the pressure increasing, and the maximum was observed at 160
MPa. The mechano-chemical effects of HPM can change the micro-morphology and three dimensional
structure of arachin, and decrease the thermal stability of arachin.
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