Thirty-seven flavonoids and a hydroxycynnamic acid have been characterized in barley leaves (Hordeum vulgare L.) by liquid chromatography-UV diode-array coupled to ion trap mass spectrometry with electrospray ionisation interface (negative mode). Their structures have been determined by the study of
The phenolic profile of barley ( Hordeum vulgare L.) leaves, seeds, awns, and stems, collected in two different locations from Portugal, was determined by a high-performance liquid chromatography/diode array detector (HPLC/DAD). A total of 28 compounds were identified and quantified, which included
Six flavone C-glycosides were isolated from young leaves of barley. One of the C-glucosides has a new type of nucleus, a 2',4',5,5', 7-penta-OH-substituted flavone bearing a 6-C-beta-D-glucoside, which has apparently never been isolated before. One mono- and two di-C-glycosyl flavones were isolated
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