Table 1.

Fingerprint of chemical compounds of different propolis extracts evaluated (n = 3) (mg/g).

Samples	PEE		PMM		PSDE
Standards	Mean	SD	Mean	SD	Mean	SD
Caffeic acid	0.345	0.011	ND	—	2.699	0.398
p-Coumaric acid	1.712	0.069	6.312	0.061	5.979	0.686
3,4-DCQ acid	0.488	0.006	1.138	0.014	5.842	0.132
3,5-DCQ acid	1.614	0.012	6.147	0.129	2.667	0.092
4,5-DCQ acid	3.442	0.023	13.308	0.203	7.430	0.045
Cinnamic acid	0.167	0.006	0.494	0.006	ND	—
Aromadendrin	0.808	0.024	2.628	0.024	ND	—
Artepillin C	6.621	0.306	6.593	0.348	51.384	6.036

ND: not detected.