thumb|Diatoms, such as the diatom pictured here [[Phaeodactylum tricornutum, often contain diadinoxanthin pigments.]] Diadinoxanthin is a pigment found in phytoplankton. It has the formula C40H54O3. It gives rise to the xanthophylls diatoxanthin and dinoxanthin.
{{chembox | ImageFile1 = Diadinoxanthin.svg | ImageSize1 = 280px | IUPACName = (3S,5R,6S,3′R)-5,6-Epoxy-7′,8′-didehydro-5,6-dihydro-β,β-carotene-3,3′-diol | SystematicName = (1R,3S,6S)-6-{(1E,3E,5E,7E,9E,11E,13E,15E)-18-[(4R)-4-Hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15-octaen-17-yn-1-yl}-1,5,5-trimethyl-7-oxabicyclo[4.1.0]heptan-3-ol |Section1= |Section2= }} thumb|Diatoms, such as the diatom pictured here [[Phaeodactylum tricornutum, often contain diadinoxanthin pigments.]] Diadinoxanthin is a pigment found in phytoplankton. It has the formula C40H54O3. It gives rise to the xanthophylls diatoxanthin and dinoxanthin.
Diadinoxanthin is a plastid pigment. Plastid pigments include chlorophylls a and c, fucoxanthin, heteroxanthin, diatoxanthin, and diadinoxanthin.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).