The research was based on the various flower color of chrysanthemums from Beijing, Kaifeng, Japan and Netherlands. The methods of different color measurement (checked using normal eye, the Royal Horticultural Society Colour Chart and spectrophotometer), observation by microscope, UV-visible spectra, specific color reactions and chromatography were used in this dissertation. The most studies focused on the four aspects: the first was the measurement and analysis of flower color; the second was the structure ...