By B. C. L. Weedon

Carotenoids — four brings jointly the most lectures provided on the Fourth foreign Symposium on Carotenoids held in Berne, Switzerland, on August 25-29, 1975. The papers discover a variety of subject matters in relation to carotenoids, together with their carbon-13 nuclear magnetic resonance (NMR) spectra, stereochemistry, and biosynthesis. Carotenoid-protein complexes, carotenoid glycosides, xanthoxin and abscisic acid, and photoregulation of carotenoid biosynthesis in vegetation also are mentioned.
This ebook is created from thirteen chapters and starts off with an research of the carbon-13 NMR spectra of derivatives of beta-carotene, comparable to zeaxanthin, isozeaxanthin, violaxanthin, and alloxanthin. The reader is then brought to carotenoid-protein complexes, with emphasis at the contrast among carotenoid-lipoglycoprotein complexes and astaxanthin-proteins within which the absorption band of the carotenoid is unaltered suit. next chapters take care of carotenoid glycosides; the constructions, chemical reactions, and stereochemistry of clearly happening carotenoids; synthesis of carotenoids and similar polyenes; and the apocarotenoid procedure of intercourse hormones and prohormones in Mucoraceous fungi. The early steps in and later reactions of carotenoid biosynthesis also are tested. The final bankruptcy is dedicated to the photoregulation of carotenoid biosynthesis in crops.
This monograph can be a priceless resource of data for chemists.

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