碱的化学性质共4条，又称为碱的通性。要注意的是有些性质只适用于可溶性的碱。
...碱提酸沉法；α-淀粉酶；碱性蛋白酶Alcalase。 [gap=1160]Key words: oat bran protein; preparation; alkali extraction and acid precipitation; α-Amylase; Alcalase.
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建立了快速测定芝麻饼粕蛋白提取率的线性方程，通过响应面优化试验，获得碱提酸沉法提取芝麻饼粕蛋白的最佳工艺。
And an optimum extraction process of sesame cake protein by alkaline extraction and acid precipitation was made through response surface method to evaluate the experiment.
结果采用乙醇回流提取后，利用酸提碱沉法，盐酸药根碱与盐酸巴马汀含量最高。
Results the alkaloid content was the highest after circumfluence extraction by ethanol acid-base precipitation.
结果表明，碱提酸沉膜分离法的分离效果明显优于传统的方法，所得的7S和11S大豆球蛋白的纯度可以分别达到75.5%和84.7%。
Results showed that the new method is better than traditional methods and the purity of 7S and 11S is 75.5% and84.7% respectively.
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