Skip to main content
. 2023 Sep 8;15(18):3912. doi: 10.3390/nu15183912

Figure 6.

Figure 6

Fe2+ chelating capacity of plants and plant-based medicines. (a) % Fe2+ chelated by extracts at concentrations in the range of 0–16,666.67 μg/mL; (b) % Fe2+ chelated area under the curve (AUC); (c) IC50 of extracts that reached 50% chelation (μg/mL); (d) EDTA-Na2 equivalent (EDTAE) Fe2+ chelating capacity of extracts (μg EDTAE/100 g fresh weight (FW)). BPF, P. nigrum; CC, Fresh Ground Cloves Herbal Supplement, Kroeger Herb® Products Co., Inc.; CF, S. aromaticum; EC, Sambucol Black Elderberry Cold and Flu, Pharmacare Laboratories Pty Ltd.; EF, S. nigra; LBC, Nature’s Sunshine Lemon Balm, Nature’s Sunshine Products of Australia Pty Ltd.; LBF, M. officinalis; QGP, P. salicina; R8, Relax–Stress Relief, Regul8 Pty Ltd.; SC, Hilde Hemmes’ Herbals Sage 1000 capsule, Herbal Supplies Pty Ltd.; SF, S. officinalis; WC, WelleCo Super Boosters Immune system support with Kakadu Plum, Welle Pty Ltd. **** p < 0.0001 vs. QGP, or different letters indicate statistically significant differences (p < 0.05). Data are presented as the mean ± SEM (experiments conducted in triplicate).