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How much artemisinin can Artemisia annua extract?

1 ton. Artemisia annua is a dicotyledonous plant of Artemisia in Compositae and Panicum. Artemisinin can be extracted from 1 ton Artemisia annua. Artemisinin is a sesquiterpene lactone with peroxy groups extracted from the stems and leaves of Artemisia annua, an inflorescence plant in Compositae. It was discovered by China pharmacist Tu Youyou in 197 1, and its molecular formula is C 15H22O5.