Flavonoids in propolis throat tablet was extracted by 95% ethanol, and then the content was detected with spectrophotometry. The content of flavonoids in propolis throat tablet was 0.68%.
利用95%的乙醇对蜂胶润喉片中黄酮类化合物进行提取、采用分光光度法进行含量分析，蜂胶润喉片中黄酮类化合物的含量达0.68%。
Flavonoids in propolis throat tablet was extracted by 95% ethanol, and then the content was detected with spectrophotometry. The content of flavonoids in propolis throat tablet was 0.68%.
利用95%的乙醇对蜂胶润喉片中黄酮类化合物进行提取、采用分光光度法进行含量分析，蜂胶润喉片中黄酮类化合物的含量达0.68%。
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