论文部分内容阅读
用分光光度法，经苯酚-硫酸显色，于波长490nm处测定了糙叶败酱多糖的含量为1．50％。
Spectrophotometrically, phenol-sulfuric acid was developed at a wavelength of 490 nm to determine the content of polysaccharides in the leaves of Patrinia was 1.50%.