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Hypericin can be derived from St. John's wort, which is widely spread around the world. As a natural product, it has been put into clinical practice such as wound healing and depression for a long time. In this article, we review the pharmacology, pharmacokinetics, and safety of hypericin, aiming to introduce the research advances and provide a full evaluation of it. Turns out hypericin, as a natural...
Iron present in hemolyzed plasma could cause the degradation of artemisinin by reductively cleaving the peroxide bridge of artemisinin during sample preparation, which is a significant technical challenge for artemisinin determination. In this paper, this issue was resolved by using sodium nitrite as methemoglobin‐forming agent to oxidize hemoglobin to methemoglobin in the presence of acetic acid...
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