8楼: Originally posted by your2007 at 2015-09-25 08:44:15
恩，醇提取，都是老方法，文献很多的，...

11楼: Originally posted by 110147加油 at 2015-09-25 09:47:48
用到了层析袋吗？
...

12楼: Originally posted by your2007 at 2015-09-25 10:12:38
没有

14楼: Originally posted by your2007 at 2015-09-25 11:35:07
Production and partial characterization of exopolysaccharides produced
by two Lactobacillus suebicus strains isolated from cider

10楼: Originally posted by 110147加油 at 2015-09-25 09:18:47
请问你的另一种培养基是什么培养基呢？是改良的mrs培养基吗？
...

16楼: Originally posted by huangjixiang at 2015-09-25 14:55:59
不是改良mrs，是针对该菌株专门优化的培养基，该多糖已经商业化了，技术保密。可在mrs中调整糖类的浓度，例如增加到5~10%，或是更换糖的种类，葡萄糖，蔗糖，麦芽糖等，有些菌株在不同糖上eps性质和产量差别很明显 ...

2楼: Originally posted by your2007 at 2015-09-24 21:39:30
我做过EPS菌株筛选，其实拉丝是比较直接的现象啦，另外大把关于用钙圈法筛的文献，很好筛选，关键就是产量一般都很低，另外现在有非常强大的分析检测仪器的话，可以直接检测EPS菌株，你可以下载这篇文献好好看看
H ...