Pigments in Vegetables Chlorophylls and Carotenoids [Paperback]

Chlorophylls.- Structure.- Physical Properties.- Chemical Properties.- Derivatives.- Chlorophyllides.- Pheophytinsaandb.- Pheophorbidesaandb.- Allomerized Chlorophylls.- Pyrochlorophylls.- Analytical Methods.- Extraction.- Chlorophyll Determination.- Separation of Plant Pigments.- The Chloroplast.- Chemical Composition.- Development.- Function.- The Photosynthetic Unit.- Spectroscopic Properties of Chlorophyll in vivo.- Biosynthesis.- Step 1. Formation of b-Aminolevulinic Acid.- Step 2. Pyrrole (Porphobilinogen) Formation.- Step 3. Cyclic Tetrapyrrole Formation (Uroporphyrinogen III).- Step 4. Porphyrin Side-Chain Modifications.- Step 5. Oxidation of Protoporphyrinogen IX to Protoporphyrin IX.- Step 6. Magnesium Chelation of Protoporphyrin IX to Mg Protoporphyrin IX.- Step 7. Esterification of Mg to Protoporphyrin IX.- Step 8. Isocyclic Ring Formation (Protochlorophyllide).- Step 9. Protochlorophyllide Reduction to Chlorophyllide.- Step 10. Esterification of Chlorophyllidea.- Step 11. Biosynthesis of Chlorophyllb.- An Alternative Chlorophyll Biosynthetic Pathway.- Distribution in Vegetables.- Asparagus.- Beans.- Broccoli.- Peas.- Potato.- Cucurbitaceae.- Degradation.- Leaf Senescence.- Enzymes Involved in Chlorophyll Biodegradation.- Chlorophyll BleachingLipoxygenase Peroxidases and Oxidases.- Chlorophyll Turnover.- Influence of Stress Conditions on Chlorophyll Degradation.- Degradation During Fruit Ripening.- Degradation During Processing and Storage of Green Vegetables.- Stabilization of Chlorophylls in Processed Green Vegetables.- Storage in Controlled Atmosphere.- Food Coloring.- Effect of Phytohormones on Chlorophyll Metabolism in Vegetables.- Cytokinins.- Gibberelin.- Ethylene.- Carotenoids.- Definitions and Nomenclature.- Structure and Classification.- Physical Properties.- Spectroscopic Properties.- Stereochemistry.- Geometrical Isomerism.- Absolute Configuration.- Chemical Properties.- Chemical Tests.- Oxidation.- Chemical Oxidation.- Autoxidation.- Photoolĩ