Abstract
CHLOROPHYLL has a unique characteristic in being photo-oxidized or photo-reduced by reactants which can serve as electron acceptors or donors to light-activated chlorophylls1. The photo-reduction of chlorophyll occurs when ascorbic acid is the reductant2. Quinones act as electron acceptors for the photo-oxidation of chlorophyll3, but hydroquinones have not been shown to function as electron donors to the excited chlorophyll. It is known that hydroquinones are photo-oxidized by oxygen in chlorophyll a and b solutions4. The work recorded here consists of an experimental investigation of the direct interaction between excited chlorophyll and hydroquinone. The effect of oxygen on this system is also shown in this communication.
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FUJIMORI, E., TAVLA, M. Interaction between Chlorophyll and Hydroquinone. Nature 208, 78–79 (1965). https://doi.org/10.1038/208078a0
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DOI: https://doi.org/10.1038/208078a0
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