Table 3.

Enzymatic activities of the leaf methanol extract of X. a. caffra.

Enzyme	Elastase	Hyaluronidase	Tyrosinase	Collagenase
	IC50 (μg/mL, mean ± SD)
Extract	24.05 ± 2.53	13.66 ± 1.18	32.06 ± 1.18	39.55 ± 5.5
Kojic acid	21.60 ± 0.9	14.46 ± 0.6	9.00 ± 0.9	—
Quinic acid	143.75 ± 26.5	146.77 ± 11.3	61.91 ± 5.2	52.78 ± 1.8
Rutin	121.49 ± 22.8	57.39 ± 8.91	44.15 ± 5.25	63.46 ± 3.4
Catechin	15.00 ± 5.9	22.99 ± 0.2	22.54 ± 4.61	29.33 ± 2.4
Epicatechin	42.17 ± 5.7	53.39 ± 10.7	62.55 ± 2.3	65.96 ± 7.8