Table 1.

Tyrosinase inhibitory activity of MSKE and its phenolic principles compared with the positive reference, KA.

Test compounds	Anti-tyrosinase
	IC50 ± SEM (µg/mL)
MSKE	98.63 ± 1.62
Phenolic principles of MSKE [13]:
GA	644.00± 14.00
MG	62.50 ± 0.50
PGG	42.65 ± 1.85
Positive reference: KA	2.21 ± 0.05