The change in the acid-base equilibrium of the medium in the interaction of chlorophyll and a number of other pigments and dyes with quinone and hydroquinone.
D001663:Bilirubin; D055598:Chemical Phenomena; D002621:Chemistry; D002734:Chlorophyll; D004396:Coloring Agents; D003624:Darkness; D004355:Drug Stability; D000431:Ethanol; D006863:Hydrogen-Ion Concentration; D006873:Hydroquinones; D008027:Light; D010084:Oxidation-Reduction; D010777:Photochemistry; D010860:Pigments, Biological; D011166:Porphyrins; D011522:Protons; D011809:Quinones
D004396:Coloring Agents; D006873:Hydroquinones; D010860:Pigments, Biological; D011166:Porphyrins; D011522:Protons; D011809:Quinones; D002734:Chlorophyll; D000431:Ethanol; D001663:Bilirubin