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Abstract Two new sesquiterpene lactone glycosides, namely melitensin 15-O-β-D-glucoside (1) and 11β,13-dihydrosalonitenolide 15-O-β-D-glucoside (2), along with eight known compounds (3–10) were isolated from the aerial part of Cnicus benedictus L.… Click to show full abstract
Abstract Two new sesquiterpene lactone glycosides, namely melitensin 15-O-β-D-glucoside (1) and 11β,13-dihydrosalonitenolide 15-O-β-D-glucoside (2), along with eight known compounds (3–10) were isolated from the aerial part of Cnicus benedictus L. Their structures were elucidated from analyses of extensive spectroscopic data. Compounds 1–6 all possessed an α-methyl-γ-lactone moiety. Moreover, compound 5 exhibited moderate activity against the growth of Aspergillus fumigatus, with IC50 values of 17.67 μg mL−1.
Journal Title: Natural Product Research
Year Published: 2017
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