Chemistry and Biochemistry of Plant Pigments

absorbancy changes acetate acetone acid adsorption affinity aglycones all-trans aqueous B-Carotene B-Cryptoxanthin B. H. Davies band benzene Biochem biophys Canthaxanthin Capsanthin carbon carbonyl carotenes carotenoids cell chlorophyll chloroplast Cholnoky chromatogram chromatography chromophore column compounds concentration conjugated Cryptoxanthin determination diethyl ether double bonds Echinenone Egger electron eluted end group energy esters extraction filter flash flavones flavonoids flavonols fluorescence glycosides Hager and Stransky Harborne Hertzberg and Liaaen-Jensen hexane hydroxyl groups illustrated in Fig intensity Isler isomers Karrer and Jucker Kjøsen Kleinig laser layers light petroleum light reaction Lutein Lycopene Mabry measuring methanol method methyl mixture molecule oxidation peak pheophytin photomultiplier Phytochemistry phytochrome pigments plastoquinone polar protons purification quinones R. F. Taylor RF values sample Section separation Sherma shift silica gel sodium solution solvent spectra spectrophotometer spectrum Stransky and Hager structure Table Taylor and B. H. technique temperature thin-layer tissue Torularhodin wavelength Weedon Winterstein xanthophylls Zeaxanthin Zechmeister