Abstract

Laurus nobilis leaves yielded four non-polar flavonoids: kaempferol-3-O-α- l -(3″,4″- di-E-p- coumaroyl)-rhamnoside , kaempferol-3-O-α- l -(2″,4″- di-E-p- coumaroyl)-rhamnoside , kaempferol-3-O-α- l -(2″-E-p- coumaroyl)-rhamnoside and a new product kaempferol-3-O-α- l -(2″,4″- di-Z-p- coumaroyl)-rhamnoside . Structural elucidation was achieved by UV, 1D- and 2D-NMR experiments, mass spectrometry, acid hydrolysis and saponification.

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