Regarding the determination of reactive oxygen species H 2 O 2 and O 2 − , as shown in Figure 8A , the seedlings treated with IC 50 and IC 80 TC caused an increase in the H 2 O 2 content, both at 7 and 14 days of treatment, being highly significant in all the cases, with DAB stained areas that oscillated between the 65 to 70% of the root ( Figure 8B ), while in control roots, the areas marked with the characteristic reddish brown of DAB staining did not exceed 3%.
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<i>Trans</i>-cinnamaldehyde-related overproduction of benzoic acid and oxidative stress on <i>Arabidopsis thaliana</i>.
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