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The chemical matrix of the herb Artemisia annua L. (A. annua), from which artemisinin (QHS) is isolated, can enhance both the bioavailability and efficacy of QHS. However, the exact mechanism of this synergism remains unknown. The biotransformation of QHS and potential “enzyme inhibitors” in plant matrix could be of great importance in understanding the improved efficacy of QHS in A. annua, which...
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