| 摘要 |
The method for assaying the mass content of phenols in propolis comprises grinding propolis, addition of water and oil, and boiling the mixture for 2-3 minutes. Then water is separated from the mixture. Oil is added, and mixture is boiled for further 2-3 minutes. The mixture is cooled to the ambient temperature. of the condensed oil is diluted in 40 cmof the oil and the optical density of this solution is measured spectrophotometrically. |
