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药材品质的好坏,主要决定于单一或复合有效成分的含量多少,其确定要通过临床、药理、化学的检验。影响有效成分含量的因素较多,与产地、采收季节、方法、贮藏保管等有关,其中采收季节、时间与质量关系更为密切,直接影响到临床的使用。例如治疗疟疾的青蒿,古代本草早就有记载,但近代江苏开始用于临床时,效果不佳,什么原因呢?经研究发现,影响临床效果的主要原因是没能把握好采收时间,导致药材质量低劣。青蒿应该在7月中旬至8月中旬,花苞出现以前采收为好,此时青蒿中治疗疟疾的有效成分青蒿素含量最高,才能发挥治疗疟疾的作用。我
The quality of medicinal materials depends mainly on the content of single or complex active ingredients, which is determined through clinical, pharmacological, and chemical tests. There are many factors affecting the content of active ingredients, which are related to the place of production, harvest season, methods, storage, etc. The harvest season, time, and quality are more closely related, which directly affects the clinical use. For example, Artemisia annua used to treat malaria has been documented for a long time in ancient times. However, when modern Jiangsu was used in clinical practice, the effect was poor. What were the reasons? After research, it was found that the main reason for influencing the clinical effect was that it failed to grasp the harvest time. Lead to poor quality herbs. Artemisia annua should be harvested before the emergence of calyx from mid-July to mid-August. At this time, artemisinin has the highest content of artemisinin in the treatment of malaria, which can play a role in the treatment of malaria. I