Results: The content of total flavonoids in Citrus grandis (L.) Osbeck of last year is a little more than the content of the year before last year.

• 结果:最佳提取工艺测定了前年、去年采摘的4批样品中总黄酮的含量。去年采摘的柚叶总黄酮略高于前年。