Water extract of dried capitulum of Chrysanthemum morifolium Ramat. containing flavone and chlorogenic acid and preparation method thereof

The invention provides a water extract of dried capitulum of Chrysanthemum morifolium Ramat. containing flavone and chlorogenic acid, wherein in the extract, the total flavone content is 12%, the chlorogenic acid content is 1%, and the qualitative detection of terpenes by sulfuric acid-vanillin sulfate is positive. The preparation method provided by the invention comprises the following steps: extraction, homogenization treatment, centrifugation, concentration, vacuum drying, etc. According to the invention, the water-soluble extract of dried capitulum of Chrysanthemum morifolium Ramat. has arich and pure flavor and a good solubility in water, and product quality indicators meet the high-quality requirements. The method of the invention creatively applies the technology of "high-pressurehomogenization-cyclodextrin", and uses water as a solvent for extraction, so that the preparation method meets food and drug safety and other requirements, and is energy-saving and environmentally-friendly; and the product qua