Ethanolic Extract of Propolis Augments TRAIL-Induced Apoptotic Death in Prostate Cancer Cells

Table 1

Chemical structure of the phenolic compounds used in this study.

	R1	R2	R3
Cinnamic acid	H	H	H
𝑜-Coumaric acid	OH	H	H
𝑚-Coumaric acid	H	OH	H
𝑝-Coumaric acid	H	H	OH
Caffeic acid	H	OH	OH
Caffeic acid phenylethyl ester
	R1	R2	R3	R4	R5	R6
Chrysin	H	OH	H	OH	H	H
Apigenin	H	OH	H	OH	OH	H
Acacetin	H	OH	H	OH	OCH3	H
Galangin	OH	OH	H	OH	H	H
Kaempferol	OH	OH	H	OH	OH	H
Kaempferid	OH	OH	H	OH	OCH3	H
Quercetin	OH	OH	H	OH	OH	OH