Results: The content of ethanol and the extraction times are the first key factors, the time of extracting is the second, and the amount of solvent is the last.

• 结果:乙醇浓度和提取次数是化橘红中黄酮成分有效成分提取的关键因素,其次是提取时间,溶媒用量为最次要因素。