The aerial parts of Carthamus lanatus (Asteraceae) afforded four new oxygenated bisabolane fucosides, 10-hydroperoxy-bisabola-2,11-diene 7-O-β-ᴅ-fucopyranoside, 11-hydroperoxy- bisabola-2,9-diene 7-O-β-ᴅ-fucopyranoside, 10-hydroxy-bisabola-2,11-diene 7-O-β-ᴅ-fucopyranoside and 11-hydroxy-bisabola-2,9-diene 7-O-β-ᴅ-fucopyranoside together with the known compounds α-bisabolol β-ᴅ-fucopyranoside, asperuloside, sitosterol 3-O-β-ᴅ-glucoside and stigmasterol 3-O-β-ᴅ-glucoside. Asperuloside appears to be the second representative of the iridoid monoterpene group found in the plant family Asteraceae, which until recently was considered to lack iridoids. The main constituent α-bisabolol fucoside exhibited noticeable antibacterial and cytotoxic activities.
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