方法：采用正交试验法，以浸膏得率和总黄酮含量为考察指标，对杭白菊的超声提取条件进行优选。
Method: the optimizing ultrasonic extraction condition on the basis of extractive yield and flavonoids were determined by orthogonal design.
方法分别采用高效液相色谱法和紫外分光光度法测定杭白菊提取物中活性成分及总黄酮含量。
METHODS UV and HPLC method were applied to determine total flavonoids and active components of extract from Chrysanthemi Flos.
结果不同存储时间的杭白菊，其总黄酮含量有明显变化。
Results As the storage time and method differed , the contents of total flavonoids showed marked variation.
结论总黄酮的含量与杭白菊的存储时间、存储条件和方法有关。
ConclusionThe contents of total flavonoids were related to the storage time, condition and method.
结论总黄酮的含量与杭白菊的存储时间、存储条件和方法有关。
ConclusionThe contents of total flavonoids were related to the storage time, condition and method.
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