A novel glycosyltransferase from Epimedium pseudowushanense, Ep7GT, regiospecifically catalyzes the 7-O-glucosylation of baohuoside to form icariin and shows sugar donor/acceptor promiscuity to yield different flavonoid glycosides.
Five monoterpenoids were isolated from the endophytic fungus Periconia sp. F-31, including three new carene-type monoterpenoids, 2-carene-5,8-diol (1), 2-carene-8,10-diol (2), 2-carene-8-acetamide (3), one new menthene-type monoterpenoid 8-hydroxy-1,7-expoxy-2-menthene (4), and one known monoterpenoid anethofuran (5). The structures of all compounds were elucidated based on a comprehensive spectroscopic data analysis, electronic circular dichroism (ECD), and calculated ECD.
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