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摘要: |
本文报导用比色法测定蜂花粉中总黄酮含量的方法。此法采用70%乙醇提取,以5%亚硝酸纳溶液,10%硝酸铝溶液和氢氧化钠试液为显色剂,在波长510nm处测定吸收度。方法简便易行,重现性好,加样回收率为98.99%,变异系数1.29%。 |
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Quantitative Determination of Flavonoids in Bee Pollen |
Mao Lizhen
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Abstract: |
Quantitative determination of the flavonolds in Bee Pollen with colorimetry is described. Bee Pollen was extracted using 70% ethanol. The extract was developed by 5% sodium nitrite, 10% aluminum nitrate and sodium hydroxide test solution. The wavelength o |
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