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The β-carboline alkaloids, harmaline and harmine, are present in hallucinogenic plants Ayahuasca and Peganum harmala, and in a variety of foods. In order to establish the metabolic pathway and bioactivities of endogenous and xenobiotic bioactive β-carbolines, high-performance liquid chromatography, coupled with mass spectrometry, was used to identify these metabolites in human liver microsomes (HLMs)...
Fruits of Capparis spinosa contain a significant amount of compounds with many health benefits. Three new alkaloids, capparisine A (1), capparisine B (2), capparisine C (3), and two known alkaloids, 2-(5-hydroxymethyl-2-formylpyrrol-1-yl) propionic acid lactone (4), and N-(3′-maleimidy1)-5-hydroxymethyl-2-pyrrole formaldehyde (5) were isolated from the fruits of C. spinosa L. The five compounds were...
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