NaNO2-AL(NO3)3-NaOH colorimetry for determination of flavonoids in celery extract would bring error because of poor special reaction with flavonoids was indicated in this paper.

• 本文提出了用硝酸铝络合分光光度法测定芹菜中总黄酮时会因为NaNO2-AL(NO3)3-NaOH使非黄酮类物质显色而造成测定出现误差。