Table 1.

Chemical characterization of propolis samples.

Compounds	Alcoholic (mg/g)	Glycolic (mg/g)	Dry (mg/g)
Caffeic acid	0.215 ± 0.001	0.200 ± 0.001	0,642 ± 0.032
p-Coumaric acid	1.315 ± 0.008	1.272 ± 0.006	1.037 ± 0.003
3,5-Dicaffeoylquinic acid	1.617 ± 0.020	1.703 ± 0.017	0.696 ± 0.019
4,5-Dicaffeoylquinic acid	3.732 ± 0.231	2.488 ± 0.031	1.422 ± 0.012
Cinnamic acid	0.306 ± 0.014	ND	0.029 ± 0.001
Aromadendrin	0.955 ± 0.028	0.479 ± 0.027	0.064 ± 0.007
Drupanin	3.254 ± 0.060	2,993 ± 0.148	2.167 ± 0.008
Artepillin C	5.329 ± 0.077	4.675 ± 0.182	7.076 ± 0.040
Baccharin	0.500 ± 0.026	0.452 ± 0.045	0.907 ± 0.007
Total flavonoids	5.794 ± 0.017	6.625 ± 0.026	4,744 ± 0.359

Alcoholic and glycolic extract contained 11% w/v of propolis dry matter (n = 3). Data shown represent mean and SD values. ND: not detected.