Table 3. In vitro tyrosinase inhibition percentage (TI - %) of 70% ethanol extracts from five different parts of H. undatus flowers at the tested concentrations

Concentration (μg/mL)	HUF extract
	HUF3-pi	HUF3-st	HUF3-pe	HUF3-ov	HUF3-se
1000	16.99 ± 2.05	16.41 ± 1.41	18.40 ± 2.85	24.91 ± 3.60	25.93 ± 3.65
750	16.75 ± 3.34	14.60 ± 0.33	16.18 ± 0.68	26.98 ± 0.92	21.09 ± 2.74
500	20.20 ± 2.28	12.27 ± 0.96	18.21 ± 2.73	20.32 ± 1.19	17.84 ± 2.78
200	14.35 ± 1.98	6.77 ± 0.96	8.98 ± 1.72	9.30 ± 0.45	7.00 ± 0.49
100	13.38 ± 4.69	4.89 ± 0.59	7.08 ± 1.18	9.97 ± 2.23	4.62 ± 1.45
50	7.50 ± 0.32	6.07 ± 0.45	4.43 ± 0.93	2.55 ± 1.20	2.47 ± 1.91