Journal of Chemistry

Research Article

Chemical Profiling of Polyfloral Belgian Honey: Ellagic Acid and Pinocembrin as Antioxidants and Chemical Markers

Table 4

The level of the individually identified phenolic compounds and abscisic acid (mg/100 g of product), the content of total phenolic compounds (GAE: gallic acid equivalent), and the content of total flavonoids (QE: quercetin equivalent) in polyfloral Belgian honeys.


Sample name	3-HBA	3,4-DHBA	4-HBA	CHA	VA	CA	SA	FA	p-CA	RA	EA	MC	QC	K	CH	G	P	ABA	Total phenolic content mg GAE/100 g ± SD (Av., )	Total flavonoids content mg QE/100 g ± SD (Av., )	Radical scavenging activity DPPH (%)

Levels of individual identified compounds of tested honeys mg/100 g of product (Av., )
M07	0.11	0.04	0.11	1.58	0.41	0.20	0.41	-	0.12	-	12.37	0.10	0.31	0.10	0.60	0.003	1.85	-	41.20 ± 3.11	4.28 ± 0.23	42.37
	0.03	0.01	0.04	0.23	0.14	0.04	0.11	-	0.02	-	1.12	0.03	0.07	0.02	0.08	0.001	0.46	-	41.20 ± 3.11	4.28 ± 0.23	42.37
M08	-	-	0.28	1.50	0.20	1.70	1.73	-	0.10	-	9.27	1.13	0.27	0.32	0.54	0.002	1.77	0.66	35.01 ± 1.17	4.01 ± 0.21	39.11
	-	-	0.08					-		-	1.14					0.001	0.37	0.17	35.01 ± 1.17	4.01 ± 0.21	39.11
M09	-	-	0.06	0.47	0.04	0.04	0.42	-	0.02	-	13.33	0.01	0.22	0.15	0.53	-	1.70	-	41.95 ± 2.20	4.72 ± 0.35	40.92
	-	-	0.02					-		-	2.10					-	0.21	-	41.95 ± 2.20	4.72 ± 0.35	40.92
L07	-	0.07	0.10	0.67	0.17	1.43	1.69	-	-	-	10.96	0.004	0.26	0.14	0.55	0.004	1.69	0.02	31.81 ± 1.32	3.47 ± 0.16	38.87
	-	0.02	0.04					-	-	-	1.65					0.002	0.32	0.009	31.81 ± 1.32	3.47 ± 0.16	38.87
L08	-	0.05	0.07	0.41	0.20	0.66	1.91	-	0.56	-	11.03	0.09	0.29	0.12	0.58	0.006	1.73	0.02	28.05 ± 1.41	3.16 ± 0.14	37.15
	-	0.02	0.04					-		-	2.07					0.003	0.44	0.004	28.05 ± 1.41	3.16 ± 0.14	37.15
L09	-	0.04	0.22	0.26	0.48	0.52	1.45	-	0.60	-	12.30	0.08	0.51	0.07	1.12	0.005	1.71	-	48.54 ± 2.13	5.35 ± 0.23	44.28
	-	0.01	0.06					-		-	2.23					0.003	0.18	-	48.54 ± 2.13	5.35 ± 0.23	44.28
K07	-	0.10	0.27	0.54	1.50	1.40	0.68	-	0.57	-	12.32	0.17	0.27	0.15	0.85	0.008	1.83	-	30.27 ± 1.44	3.52 ± 0.17	38.93
	-	0.05	0.08					-		-	2.11					0.00	0.25	-	30.27 ± 1.44	3.52 ± 0.17	38.93
K08	-	-	0.09	0.41	1.60	1.40	1.74	-	1.43	0.14	9.13	0.99	0.30	0.05	0.45	0.007	1.81	0.04	26.98 ± 0.98	3.11 ± 0.15	36.77
	-	-	0.03					-			1.72					0.003	0.31	0.01	26.98 ± 0.98	3.11 ± 0.15	36.77
K09	-	-	0.11	0.30	0.04	0.13	0.43	-	0.12	0.10	13.66	0.59	0.31	0.02	0.77	0.003	1.60	0.11	45.22 ± 2.06	5.12 ± 0.27	42.13
	-	-	0.03					-			2.31					0.001	0.19	0.05	45.22 ± 2.06	5.12 ± 0.27	42.13

Average																			36.56 ± 1.78	4.08 ± 0.21	40.06

Av.: average; 3-HBA: 3-hydroxybenzoic acid; 3,4-DHBA: 3,4-hydroxybenzoic acid; CHA: chlorogenic acid; 4-HBA: 4-hydroxybenzoic acid; VA: vanillic acid; CA: caffeic acid; SA: syringic acid; FA: ferulic acid; p-CA: p-coumaric acid; RA: rosmarinic acid; EA: ellagic acid; MC: myricetin; QC: quercetin; K: kaempferol; CH: chrysin; G: galangin; P: pinocembrin, ABA: abscisic acid; –: not detected.