Molecular Mechanisms Underlying the In Vitro Anti-Inflammatory Effects of a Flavonoid-Rich Ethanol Extract from Chinese Propolis (Poplar Type)

Table 1

Concentrations of flavonoids presented in EECP.

Compounds	Retention Time (min)	mg/g of extract^a
Rutin	4.13	18.8 ± 0.1
Myricetin	5.61	15.4 ± 0.2
Quercetin	8.16	19.7 ± 0.3
Kaempferol	13.94	3.7 ± 0.1
Apigenin	15.41	3.5 ± 0.1
Pinocembrin	26.57	84.6 ± 0.2
Chrysin	35.20	33.5 ± 0.1
Galangin	42.57	29.1 ± 0.2

^aReported values are the means ± SD (𝑛=3). EECP, ethanol extracts of Chinese propolis.