HPLC analysis of the flavonoid samples used in the current study.

1Absolute value as is.2The reference % assay is referred to the absolute content as is of the main flavonoid.1. 直接采用原样形式的绝对值。 2. 参考百分比测定值以主要黄酮类化合物（flavonoid）的原样绝对含量为参照基准。