Tetraphlorethol C is a phlorethol-type
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 phlorog ...
found in the brown alga ''
Ascophyllum nodosum
''Ascophyllum nodosum'' is a large, common cold water seaweed or brown alga ( Phaeophyceae) in the family Fucaceae, being the only species in the genus ''Ascophyllum''. It is a seaweed that only grows in the northern Atlantic Ocean, also known ...
''.
[Effects of phlorotannins from Ascophyllum nodosum (brown seaweed) on in vitro ruminal digestion of mixed forage or barley grain. Y. Wang, Z. Xu, S.J. Bach and T.A. McAllister, Animal Feed Science and Technology, 14 August 2008, Volume 145, Issues 1–4, Pages 375–395, ]
chemically, it is a tetramer of
1,2,3,5-Tetrahydroxybenzene
1,2,3,5-Tetrahydroxybenzene is a benzenetetrol.
It is a metabolite in the degradation of 3,4,5-trihydroxybenzoate (gallic acid) by '' Eubacterium oxidoreducens''.
The enzyme pyrogallol hydroxytransferase uses 1,2,3,5-tetrahydroxybenzene and 1, ...
References
Phlorotannins
Natural phenol tetramers
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