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1962•Photochemistry and PhotobiologyOpen access

XANTHOPHYLLS AND THE HILL REACTION*

Harry Y. Yamamoto, C. O. Chichester, T. O. M. Nakayama

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Abstract

Summary The incorporation of oxygen from water enriched in H218O into the leaf xanthophylls during the Hill reaction was investigated. No enrichment was detectable in violaxanthin and neoxanthin. A low incorporation into lutein, which was not dependent on the Hill reaction, was observed. The results indicate that the epoxy pigments do not function as an oxygen transport system in photosynthesis under the conditions of these experiments.

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Summary The incorporation of oxygen from water enriched in H218O into the leaf xanthophylls during the Hill reaction was investigated. No enrichment was detectable in violaxanthin and neoxanthin. A low incorporation into lutein, which was not dependent on the Hill reaction, was observed. The results indicate that the epoxy pigments do not function as an oxygen transport system in photosynthesis under the conditions of these experiments.

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Available abstract

Summary The incorporation of oxygen from water enriched in H218O into the leaf xanthophylls during the Hill reaction was investigated. No enrichment was detectable in violaxanthin and neoxanthin. A low incorporation into lutein, which was not dependent on the Hill reaction, was observed. The results indicate that the epoxy pigments do not function as an oxygen transport system in photosynthesis under the conditions of these experiments.

Key concepts: Neoxanthin, Xanthophyll, Violaxanthin, Lutein, Chemistry, Photosynthesis, Oxygen, Hill reaction

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