The antibacterial effect of a polyhydroxylated fucophlorethol from the marine brown alga, Fucus vesiculosus

Sammendrag

An antibacterial compound was isolated from the brown alga Fucus vesiculosus. Purification consisted of extraction of plant material with 0.05% trifluoroacetic acid, concentration on a C18 cartridge, and reverse-phase high performance liquid chromatography on a C18 semi-preparative column. The isolated compound exhibited antibacterial activity against both the Gram-positive and the Gram-negative bacteria tested. The compound showed no haemolytic effect against human red blood cells. Results obtained by electrospray ionization mass spectrometry indicated that the antibacterial activity was caused by a polyhydroxylated fucophlorethol.

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DOI : doi.org/10.1023/1026052715260