Brazilian Green Propolis Inhibits Ox-LDL-Stimulated Oxidative Stress in Human Umbilical Vein Endothelial Cells Partly through PI3K/Akt/mTOR-Mediated Nrf2/HO-1 Pathway

Table 1

HPLC-DAD/Q-TOF-MS analysis on EEBP.

compounds	Retention time	[M+H]^+	EEBP (content mg/g)	regression equation
kaempferol	28.4	287.055	1.05	y = 94864x + 129824
caffeic acid	17.2	181.0495	1.51	y = 32392x + 22456
p-coumaric acid	20.22	165.0546	11.72	y = 45243x + 73332
pureonebio	9.8	155.0339	0.34	y = 23525x + 22623
artepillin C	34.7	301.1798	39.80	y = 109286x - 69009
naringenin	27.0	273.0612	0.04	y = 137541x + 229226
ferulic acid	21.4	195.0652	0.14	y = 126715x + 159085