Table 7.

Chelating activity of tested herbal infusions.

Herbal Blend	Chelating Activity Fe2+ [%]
	Concentration
	0.45 mg/mL	0.9 mg/mL	2.3 mg/mL	4.6 mg/mL	9.1 mg/mL
HB1	43.92 ± 1.34	70.36 ± 7.02	92.01 ± 0.68	95.55 ± 0.63	99.34 ± 1.38
HB2	27.53 ± 3.05	51.16 ± 1.80	89.49 ± 2.45	89.85 ± 1.75	87.98 ± 0.10
HB3	56.38 ± 5.93	89.47 ± 1.74	96.58 ± 0.79	96.15 ± 1.23	97.11 ± 0.57
HB4	62.81 ± 1.72	88.31 ± 0.35	94.05 ± 0.48	94.35 ± 0.28	93.21 ± 0.53
HB5	34.15 ± 1.14	67.49 ± 1.90	94.11 ± 0.58	94.65 ± 0.42	97.15 ± 1.64
HB6	62.10 ± 3.16	91.10 ± 1.17	98.38 ± 0.54	98.41 ± 1.06	99.44 ± 2.99
HB7	n.a.	n.a.	5.91 ± 4.33	9.43 ± 4.72	9.33 ± 3.19
Reference	Concentration
	0.01 mg/mL	0.023 mg/mL	0.045 mg/mL	-	-
EDTA	66.50 ± 2.20	99.59 ± 0.57	100.24 ± 0.20	-	-

n.a.: not active.