Originally posted by yu27317961 at 2010-11-03 22:02:34:


50%

Originally posted by zihencc at 2010-11-04 09:46:55:

我用的是70%的 50%的极性是不是比70的还大啊？

Originally posted by yu27317961 at 2010-11-01 21:55:06:


你在做花青素？
多交流，我今天也才上样ab-8
你试的纤维素酶？
估计还是你的酶的活性不够，pH值，温度，时间
我用的柠檬水，酸法提取+护色

你的淀粉是怎么除去的啊？
醇沉？

[ Last edited by yu ...

Originally posted by blueiceqzh at 2011-02-24 20:51:20:
我淋洗的时候老是洗不下杂质，头疼。。。

Originally posted by yu27317961 at 2010-11-03 22:02:34:
50%

Originally posted by zihencc at 2011-02-25 11:10:02:
你是用什么洗的啊？

Originally posted by yu27317961 at 2011-02-28 13:47:27:
花青素具有黄酮母核
一般用D101好些，
柠檬水洗过了，到中性，醇都可以洗脱下来的



hplc是挪威多酚实验室的峰图

Originally posted by zihencc at 2011-03-01 12:26:32:
你用的酸水ph大概多少啊 还有必须还要用水洗到中性以后再用醇洗吗？为什么呢？

Originally posted by yu27317961 at 2011-03-02 11:45:01:
是用提取的酸溶液啊，柠檬酸0.8%，盐酸不适合用不锈钢的生产
盐酸也可以溶解果胶
后面不容易分离。