Table 2.

Phenolic compound identification and quantification of honey and propolis extracts.

Compounds	Propolis	Honey
Vanillic acid	8.61 ± 0.30	2.90 ± 0.01
o-Coumaric acid	11.44 ± 4.63	n.d.
Ferulic acid	18.84 ± 0.21	8.35 ± 0.01
Ellagic acid	28.55 ± 1.99	5.09 ± 0.02
Naringin	35.78 ± 4.10	n.d.
Hesperidin	417.18 ± 50.0	n.d.
Apigenin	38.39 ± 2.60	n.d.
Cinnamic acid	n.d.	4.25 ± 0.01
Resveratrol	116.89 ± 12.7	n.d.
Rosmarinic acid	470.35 ± 52.00	n.d.
Rutin	12.40 ± 0.42	n.d.
Chlorogenic acid	16.11 ± 0.12	7.06 ± 0.11
Quercetin	12.02 ± 0.13	n.d.
Kaempferol	21.90 ± 1.60	n.d.
Gallic acid	n.d.	30.06 ± 0.23
Total	1208.5	57.7

Values of phenolic compounds are expressed as concentration (mg/l) mean ± SD of 3 experiments. n.d.: not detected.