天气预报 > 其他 > 怎样从牛奶中提取酪蛋白
怎样从牛奶中提取酪蛋白
更新时间: 2020-09-21 00:00:00  

利用等电点时溶解度最低的原理:

1、将牛乳的PH调到4、7时酪蛋白沉到最下面,最上边是脂肪可以用盐析法;

2、蛋白质沉淀后,离心10分钟,水洗两次,离心10分钟;

3、加入乙醇,搅拌,悬浊液转移至布氏漏斗中抽滤;

4、用乙醇和乙醚混合液清洗沉淀2次;

5、最后用乙醚清洗沉淀两次,抽干;

6、沉淀风干,得到酪蛋白。

关键词: 怎样 牛奶 提取 蛋白

怎样从牛奶中提取酪蛋白相关经验

天气预报

最新推荐

页面:/news/view-2035393/ | 耗时:0.9195 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2035393 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2035393 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2035393 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1046352,1853874,1891543,1471332,340630,3381196,2471653,1937467,237856,178052,1111956,495768,3394299,223838,229555,2507542,1593265,1605239,1927154,1112839,1904357,137061,1610962,883483,3243429,1774038,1453191,3173365,1317299,1450781) ORDER BY field (ArticleID,1046352,1853874,1891543,1471332,340630,3381196,2471653,1937467,237856,178052,1111956,495768,3394299,223838,229555,2507542,1593265,1605239,1927154,1112839,1904357,137061,1610962,883483,3243429,1774038,1453191,3173365,1317299,1450781)