CONTENTS 



CHAPTER PAGE 



I DEFINITIONS AND NOMENCLATURE. 1 



PARTI. CAROTENOIDS IN PLANTS 



II CAROTENOIDS IN LAND PLANTS 6 



Leaf Carotenoids. Carotenoids in the developing plant. 

 Fading of leaves. Fruit Carotenoids. Ripening of Fruit. 

 Factors influencing Carotenoid production in Ripening 

 fruit. Seed Carotenoids. Flower Carotenoids. Caro- 

 tenoids in Reproductive Structures. Root Carotenoids. 

 Carotenoids in Aquatic phanerogams. 



III FORMATION AND FUNCTION OF CAROTEN- 63 



OIDS IN PHANEROGAMS. 



Theories of formation. Influence of light. Effect of 

 temperature. Effect of soil nutrients. Physico-chemical 

 properties of soil and carotenoid production. Inheritance 

 of Carotenoids. Pathology. Functions. Carotenoids in 

 Oxidation-Reduction Systems. Carotenoids as oxygen 

 transporters. Carotenoids in photosynthesis. Caroten- 

 oids in Photokinetic responses. Carotenoids and Repro- 

 duction. Destruction of Carotenoids in Plants. 

 Lipoxidase. 



IV CAROTENOIDS IN PLANTS. 99 



Fungi. Formation in Fungi. Function in Fungi. Bacteria. 

 Formation in Bacteria. Function in Bacteria. Algae. 

 Comparison of Algae with the higher plants. Formation 

 in Algae. Function in Algae. Photosynthesis. Photo- 

 kinesis. Sexual Function and Carotenoids. 



PART n. ANIMAL CAROTENOIDS 



V MARINE INVERTEBRATES. 155 

 Protozoa. Porifera. Coelenterata. Echinodermata. 

 Annelida. Arthropoda. Importance of zooplankton 



as a source of pro-vitamin A for Fish and preformed 

 Molluscs. Cephalopoda. Gastropoda. 



ix 





