Bifuhalol is a
phlorotannin
Phlorotannins are a type of tannins found in brown algae such as kelps and rockweeds or sargassacean species, and in a lower amount also in some red algae. Contrary to hydrolysable or condensed tannins, these compounds are oligomers of phlorogl ...
. The ethanol extract of the brown alga ''
Sargassum ringgoldianum'' contains phlorotannins of the bifuhalol type, which shows an antioxidative activity.
References
Phlorotannins
Natural phenol oligomers
{{aromatic-stub