Abstract:
CONTENTS I. Introduction 344 II. Reversible photoreduction 345 III. Oxidation–reduction reactions photosensitised by chlorophyll 352 IV. Photochemical reactions of colloidal solutions of chlorophyll 354 V. Photochemical properties of chlorophyll in the granules of chloroplasts 354 VI. Reversible photochemical changes undergone by chlorophyll in the living plant leaf 354 VII. Reversible photoreduction and possible mechanism of the participation of chlorophyll and its analogues in photobiological processes 355 VIII. Conclusion 356