不同采收期迷迭香中的鼠尾草酸和鼠尾草酚含量的动态变化

Changing of Carnosic Acid and Carnosol Content in Rosmarinus officinalis L.at Different Harvesting Stages

运用高效液相色谱方法,对不同采收期迷迭香中的鼠尾草酸和和鼠尾草酚的含量进行测定,以确定其最佳采收期。结果表明,优化色谱条件:检测波长230 nm,以乙腈作流动相,乙腈和水比例为60∶40,pH值4.5～5.0。鼠尾草酸和鼠尾草酚含量均以10月份最高,其次为6月份。因此,确定10月份为迷迭香的最佳采收期,其次为6月份。

An experiment was conducted to determine the camosic acid and carnosol content in Rosmarinus officinalis L.by means of HPLC at different harvesting stages in order to obtain the optimal harvesting stage.Result showed that the detection wacelength was 230nm,the mobile phase was acetonitrile-water（60∶40 by volume）,and the pH=4.5-5.0.The content of camosie acid and carnosol reached the highest value in October,then followed in June.Therefore,the best harvesting stage is in October,next is in June.