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Carotenoids--4 : main lectures presented at the fourth International Symposium on Carotenoids, Berne, Switzerland, 25-29 August 1975 /
Carotenoids - 4 brings together the main lectures presented at the Fourth International Symposium on Carotenoids held in Berne, Switzerland, on August 25-29, 1975. The papers explore a wide range of topics relating to carotenoids, including their carbon-13 nuclear magnetic resonance (NMR) spectra, s...
| Clasificación: | Libro Electrónico |
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| Autores Corporativos: | , |
| Otros Autores: | |
| Formato: | Electrónico Congresos, conferencias eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford ; New York :
Pergamon Press,
[1976]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover ; Carotenoids-4; Copyright Page; Table of Contents; CHAPTER1. CARBON-13 NMR SPECTRA OF CAROTENOIDS; INTRODUCTION; �-CAROTENE; �-APO CAROTENOIDS; ZEAXANTHIN, ISOZEAXANTHIN, ISOCRYPTAXANTHIN, VIOLAXANTHIN AND ALLOXANTHIN; LUTEIN AND ISOMYTILOXANTHIN; CANTHAXANTHIN, CAPSORUBIN, AZAFRIN AND FUCOXANTHIN; REFERENCES; CHAPTER2. CAROTENOID-PROTEIN COMPLEXES; INTRODUCTION; CAROTENOD-LIPO(GLYCO)PROTEINS; CAROTENOPROTEINS; BACTERIAL AND PLANT CAROTENOID-PROTEIN COMPLEXES AND VITAMIN A-PROTEINS; REFERENCES; CHAPTER3. CAROTENOID GLYCOSIDES; INTRODUCTION; NEW STRUCTURES; PARTIAL SYNTHESES.
- BIOCHEMICAL ASPECTSOUTLOOK; REFERENCES; CHAPTER4. NEW STRUCTURES; INTRODUCTION; RECENTLY STRUCTURALLY ELUCIDATED CAROTENOIDS; CHEMICAL BEHAVIOUR; REFERENCES; CHAPTER 5. SOME STUDIES ON THE STEREOCHEMISTRY OF CAROTENOIDS; INTRODUCTION; DETERMINATION OF THE GEOMETRICAL CONFIGURATION OF SOME MONO-CiS-CAROTENOIDS; REINVESTIGATION OF CERTAIN STEREOISOMERIC SETS; AN ATTEMPT TO STUDY THE KINETICS OF CIS-TRANS ISOMERISATION; REFERENCES; CHAPTER6. SYNTHESIS OF CAROTENOIDS AND RELATED POLYENES; 1. INTRODUCTION; 2. CAROTENOID TRANSFORMATIONS; 3. METHODS FOR ELABORATION OF POLYENE CHAINS.
- 4. CAROTENOID SYNTHESESREFERENCES; CHAPTER7. THE ENOL ETHER SYNTHESIS OF POLYENES; 1. INTRODUCTION; 2. SYNTHESIS OF l-ALKOXY-l,3-DIENES; 4. SYNTHESIS OF ETHERS AND ESTERS OF VITAMIN A; 5. CONDENSATION OF 1-ALKOXYDIENES WITH�a, B-UNSATURATED ALDEHYDE ACETALS; 6. CONDENSATION OF 1-ALKOXYDIENES WITH�a, B-UNSATURATED ALDEHYDES; 7. SYNTHESIS OF POLYENE DIALDEHYDES; REFERENCES; CHAPTER8. THE TECHNICAL SYNTHESES OF CAROTENOIDS; INTRODUCTION; DISCUSSION; REFERENCES; CHAPTER 9. THE APOCAROTENOID SYSTEM OF SEX HORMONES AND PROHORMONES IN MUCORALES; INTRODUCTION; THE PROHORMONES; UNIT TRANSFORMATIONS.
- Conclusionsreferences; chapter10. xanthoxin and abscisic acid; introduction; properties of aba; detection and estimation of aba in plants; radio-actively labelled aba; physiological r�ole of aba; biosynthesis of aba; properties of xanthoxin; synthesis of xanthoxin; detection and estimation of xanthoxin in plants; further aspects of aba biosynthesis; metabolism of aba; references; chapter11. carotenoid biosynthesis-the early steps; introduction; the very early steps: up to c20; the nature and formation of the first c40 hydrocarbon; the general pathway of carotene desaturation.
- The stereochemistry of phytoenealternative pathways of phytofluene formation from phytoene; the stereochemistry of carotene dehydrogenation; the individual reactions of carotene dehydrogenation; aspects of control of carotene fromation; the biosynthesis of triterpenoid carotenoids in bacteria; conclusion; references; chapter12. later reactions of carotenoid biosynthesis; introduction; basic reactions at the c-1,2 double bond; later modifications; final comments; references; chapter 13. photoregulation of carotenoid biosynthesis in plants; introduction; photoregulation-general aspects.