Reversible photoreduction of chlorophyll a to a compound, Ch-a-H2 610, with an absorption maximum at 610 nm.
D000588:Amines; D055598:Chemical Phenomena; D002621:Chemistry; D002734:Chlorophyll; D007215:Indophenol; D008027:Light; D010084:Oxidation-Reduction; D010619:Phenazines; D010860:Pigments, Biological; D010944:Plants; D011809:Quinones; D013057:Spectrum Analysis; D013194:Staining and Labeling; D013997:Time Factors
D000588:Amines; D010619:Phenazines; D010860:Pigments, Biological; D011809:Quinones; D002734:Chlorophyll; D007215:Indophenol