pheophytin
noun
pheo·phy·tin
variants
or British phaeophytin
: a bluish black waxy pigment that can be formed from chlorophyll by replacement of the magnesium with two hydrogen atoms by treatment with a weak acid (as oxalic acid)
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“Pheophytin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pheophytin. Accessed 26 Nov. 2025.
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