首页|Xanthones from the stems of Calophyllum membranaceum Gardn. et Champ. and their anti-inflammatory activity
Xanthones from the stems of Calophyllum membranaceum Gardn. et Champ. and their anti-inflammatory activity
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NSTL
Elsevier
? 2022 Elsevier LtdEighteen undescribed xanthones, including six pairs of xanthone enantiomers, three xanthones, and three xanthone glycosides, together with one pair of known xanthone enantiomers and 12 known xanthones, were isolated from the stems of Calophyllum membranaceum Gardn. et Champ. Their structures were elucidated by spectroscopic analysis, and the absolute configuration of the enantiomers was determined by using experimental and calculated electronic circular dichroism data. All compounds were screened for their anti-inflammatory effects on LPS-induced BV-2 microglial cells. Among them, six compounds showed remarkable activities with IC50 values of 7.8–36.0 μM.
Anti-inflammatory activityCalophyllum membranaceum Gardn. et champ.ClusiaceaeXanthone enantiomersXanthones
NSTL
Elsevier
