Ericoside, a new antibacterial biflavonoid from Erica mannii (Ericaceae)

A new dihydroflavonol–flavonol biflavonoid derivative, named ericoside was isolated from the ethanol extract of the whole plant of Erica mannii along with the known flavonoid, taxifolin 3-O-α-l-rhamnopyranoside; and two readily available sterols

Gabin Thierry M. Bitchagno

2016

Scholarcy highlights

  • A new dihydroflavonol–flavonol biflavonoid derivative, named ericoside was isolated from the ethanol extract of the whole plant of Erica mannii along with the known flavonoid, taxifolin 3-O-α-l-rhamnopyranoside; and two readily available sterols
  • The crude ethanol extract, ericoside, and taxifolin 3-O-α-l-rhamnopyranoside were tested against ten Gram-negative bacteria including multidrug resistant clinical isolates using a broth microdilution method
  • Ericoside displayed moderate activity against the resistant Escherichia coli AG100 with a MIC of 64 μg/mL

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