A phlorotanin that is 1,1'-bioxanthrene substituted by 3,5-dihydroxyphenoxy groups at position 6 and 6' and hydroxy groups at positions 2, 2', 4, 4', 7, 7', 9 and 9' respectively. It is isolated from an edible marine brown alga Ecklonia cava and exhibits antioxidant activity.
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This entity has been manually annotated by the ChEBI Team.
Any eukaryotic metabolite produced during a metabolic reaction in algae including unicellular organisms like chlorella and diatoms to multicellular organisms like giant kelps and brown algae.