AI Article Synopsis
- * Eleven compounds were successfully isolated from the ethanol extract, including notable substances like β-sitosterol and ursolic acid.
- * This research is significant as it marks the first time these specific compounds have been isolated from Rubus stans.
Article Abstract
Objective: To study the chemical constituents of Rubus stans.
Methods: The chemical constituents were isolated and purified by silica gel and Sephadex LH-20 column chromatography. The structures were identified on the basis of spectroscopic analysis and physicochemical properties.
Results: Eleven compounds were isolated and purified from the ethanol extract of Rubus stans. They were identified as β-sitosterol( 1),betulinic acid( 2),euscaphic acid( 3),ursolic acid( 4),corosolic acid( 5),kaempferol( 6),quercetin( 7),2α,3β,19α,23-tetrahydroxy-urs-12-en-28-oic acid( 8),β-daucosterol( 9),quercetin-3-O-β-D-glucoside( 10) and kaempferol-3-O-β-D-6-O-( p-hydroxycinnamoyl)-glucopyranoside( 11).
Conclusion: All the compounds are isolated from this plant for the first time.
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