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The inhibitory activities of ARE on elastase (a) and hyaluronidase (b) activities. EGCG, used as a positive control in the elastase inhibition assay, showed an IC50 value of 1.2 mg/mL, whereas apigenin, used as a positive control in the hyaluonidase inhibition assay, showed an IC50 value of 3.5 mg/mL.
