(a)
(b)
(c)
(d)
Figure 1: Iron chelating activity and reducing power of essential oils of C. paradisi and C. grandis. (a) Iron chelating activity of cold-pressed and distillated essential oils of C. paradisi. (b) Iron chelating activity of cold-pressed and distilled essential oils of C. grandis; EDTA-2Na was used as positive control. (c) Reducing power of cold-pressed and distilled essential oils of C. paradisi. (d) Reducing power of cold-pressed and distillated essential oils of C. grandis; BHT was used as a positive control. Values are means ± SD (). An asterisk indicates a significant difference to the control ().