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Herein, five new steroidal glycosides (Smilnipponicoside A-E) with five known congeners were isolated from the ethanol extracts of the rhizomes of Smilax nipponica Miq. Their structures were established by 2D… Click to show full abstract
Herein, five new steroidal glycosides (Smilnipponicoside A-E) with five known congeners were isolated from the ethanol extracts of the rhizomes of Smilax nipponica Miq. Their structures were established by 2D NMR spectroscopic techniques (HMBC, HSQC, 1H,1H-COSY and NOESY), together with mass spectrometry, then comparison with the data in literature. The new compounds were subjected to evaluate anti-inflammatory in vitro. Compounds 1, 2 and 3 were found to have modest anti-inflammatory effects through suppression of TNF-α production in LPS-stimulated RAW 264.7 cells.
Journal Title: Steroids
Year Published: 2022
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