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영어

The plant of Artemisia annua L. is one of the artemisia princeps var. Artemisia annua L. has many artemisinin. artemisinin and a sesquiterpene lactone endoperoxide is the active anti-malarial moiety isolated in 1972 from the chinese medicinal herb qinghao, Artemisia annua L. The
extraction of artemisinin from Artemisia annua L. has been performed using a supercritical carbon dioxide. The temperature was 35 ~ 45 ℃ and the pressure was 10, 15, 20, 25MPa , flow rate (23 g/min). Essential oil yield was increased when the operating temperature and pressure, flow rate was increased.