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大豆科学  2008 

双极膜电酸沉提取大豆分离蛋白效率的研究

DOI: 10.11861/j.issn.1000-9841.2008.06.1024, PP. 1024-1027

Keywords: 双极膜电酸沉,化学酸沉,残留蛋白,提取速率

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Abstract:

双极膜电酸沉技术在分离提取大豆分离蛋白方面具有广阔的应用前景,同时该技术也存在易受蛋白污垢影响的缺点。比较了在没有外加物质的影响下,双极膜电酸沉技术与化学酸沉法提取大豆蛋白的效果;分析了双极膜间残留蛋白质及其对双极膜提取速率的影响。结果表明:双极膜电酸沉技术比化学酸沉法更具优势;双极膜提取速率随酸沉程度的增加而降低,在连续电酸沉4次后,膜间残留的蛋白质对双极膜提取速率造成显著性影响。

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