| abstract |
The invention belongs to the technical field of enrichment of effective parts of traditional Chinese medicines, and particularly relates to a white plum blossom total flavone extract and a preparation method and application thereof; the preparation method of the white plum blossom total flavone extract comprises the following steps: extracting flos Pruni mume with 50% ethanol under reflux, mixing filtrates, and concentrating to obtain extract; and (3) precipitating the extract with water to remove impurities, separating and purifying by using a macroporous resin column, concentrating and drying the obtained eluent to obtain the total flavone extract of the prunus mume. The total flavone extract prepared by the invention has high purity, has the activities of inhibiting tyrosinase activity, preventing pigmentation, reducing melanin and eliminating free radicals, and has the functions of clearing heat, removing toxicity and diminishing inflammation. |