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zeaxanthol (uncountable)

  1. A carotenol, dihydroxy-β-carotene.
    • 1945, Eugene Rabinowitch, Photosynthesis and Related Processes, volume 1, page 472
      [] almost a dozen other carotenols are regularly found in green leaves. One of these is zeaxanthol (dihydroxy-β-carotene), which is an isomer of luteol.
    • 2004, Shubhrata R. Mishra, Photosynthesis in Plants, page 123
      Luteol is by far the most abundant carotenol is leaves [sic] other leaf xanthophylls include zeaxanthol, violaxanthol, cryptoxanthol, flavoxanthol, and neoxanthin.