Through the simple method of CTAB, total DNA of velvetleaf was extracted from sprouts of velvetleaf in which there was a little secondary metabolites.

本利用黄酮等次生代谢物未大量合成青麻幼芽为材料，采用简化CTAB法提取青麻DNA，可以获得高纯度、高产量DNA。

The oil absorption value test clarifies that the surface oleophilic character of MnCO3 received on the condition that butanol, CTAB bulk ratio of 1:4 have been well improved.

吸油值测定结果表明：经正丁醇与CTAB体积比为1:4体系得酸锰粉表面亲油性能得明显改善。