Chemical comparison of Artemisia borealis and three Chinese Artemisia plants

Aim To compare the chemical constituents of A rtemisia borealis with three other A rtemisia plants which are generally used in traditional Chinese medicine. Method The chemical components of essential oil from the leaves of A. borealis were analyzed by GC- MS and the chemical components of water extracts of the four plants were compared by HPLC fingerprint method. Conclusion From the essential oil of A. borealis, 52 peaks were separate, 48 of them were identified by GC-MS analysis, indicative that aromadendrane-4-ol is the highest constituent, which made up 24.73% of the total essential oil. In addition the chief constituents of the leaves of A.borealis are similar to the three other plants but its pattern of HPLC fingerprint is different. The content of chlorogenic acid in aerial part of A. annus and A. scapillaries, leaves ofA. borealis and A. argyi are 0.065, 0.192, 0.617and 0.178 % respectively.

无法承受的披肩之重

一叶茵是我大学同窗,也是洗尽铅华、千帆过去后剩下的为数不多的要好女友。她性格豪爽,头脑聪慧,有份不错的事业,最令人羡慕的是,她还有一个不错的家庭,丈夫肖凯高高大大,一表人才,在一家货运公司当着副总,儿子肖冰八岁,聪明可爱。和她相比,我的生活过得可以说是一塌糊涂,乱七八糟。两年前离了婚,孩子因为从小由爷爷奶奶带大,所以也留在了前夫家里。今年初始,我的工作又出了问题,换了一个部门,工作性质我很不喜欢,三天打鱼两天晒网后,终于和部门头头闹翻,我只好自觉自愿、一言不发地离开了单位。在家休息了两个月后,正好有朋友介绍我去卖保险,这是个可以自由支配自己时间的工作,对我也许非常合适。我先给自己设计了一个卖保险的网页,上面列了不少保险的险种,然后印一些名片,散发给亲戚朋友。到了我这个年龄。