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Fig. 4 | BMC Complementary and Alternative Medicine

Fig. 4

From: Anti-aging and tyrosinase inhibition effects of Cassia fistula flower butanolic extract

Fig. 4

The effect of C. fistula flower extract on collagenase activity was determined using fluorogenic DQ™-gelatin assay. Various concentrations of the flower extract (0–200 μg/mL) were mixed with collagenase. After that, DQ gelatin substrate was added and incubated for 10 min. The rate of proteolysis was evaluated using a microplate reader. All assays have been demonstrated in triplicate and the mean ± standard deviations are shown as ****p < 0.0001 versus the control without the extract

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