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

• 本研究利用黄酮等次生代谢物未大量合成的青麻幼芽为材料，采用简化CTAB法提取青麻总DNA，可以获得高纯度、高产量的DNA。