Flavonoids from Apis mellifera Beeswax
2014
Tomás-Barberán, F. A. | Ferreres, F. | Tomás-Lorente, F. | Ortiz, A.
The flavonoids present in beeswax produced in “La Alcarria” region were analyzed by HPLC. Pinocembrin, pinobanksin, pinobanksin 3-acetate, chrysin, galangin and techtochrysin were detected as the main flavonoid constituents. This is the first detailed report on the flavonoids of beeswax. These substances are already present when wax scales are secreted by bees. The same flavonoid compounds were generally present in honey, propolis and Populus nigra bud exudates collected in the same geographical region. These results indicate that beeswax flavonoids originate from those of honey and/or propolis, and suggest that analysis of beeswax flavonoids could be used as an adjunct in the detection of beeswax adulterations.
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