Table 2.

IC₅₀ values of alkaloids, chalcones and isothiocyanates in SK-LU-1 and HLCSC.

IC50 Values (mean ± SD)
Phytochemical Category	Phytochemical Compound	SK-LU-1
		24 h		48 h		72 h
		μg/mL	μM	μg/mL	μM	μg/mL	μM
Isothiocyanate	BI	3.96 ± 0.27	26.54 ± 1.80	4.54 ± 1.35	30.39 ± 9.05	4.99 ± 1.04	33.41 ± 6.97
	PI	2.68 ± 0.01	16.39 ± 0.04	2.69 ± 0.00	16.48 ± 0.00	2.81 ± 0.04	17.18 ± 0.22
Chalcone	LICO	12.75 ± 0.38	37.68 ± 1.13	13.96 ± 1.41	41.24 ± 4.16	16.28 ± 1.79	48.09 ± 5.29
	ISO	10.93 ± 2.28	42.63 ± 8.91	16.73 ± 0.40	65.29 ± 1.55	17.11 ± 0.79	66.75 ± 3.06
Alkaloid	EVO	5.71 ± 0.69	18.81 ± 2.26	5.41 ± 1.06	17.83 ± 3.50	4.33 ± 0.36	14.26 ± 1.19
	CHE	4.32 ± 0.21	12.21 ± 0.58	2.86 ± 0.55	8.09 ± 1.56	2.74 ± 0.47	7.74 ± 1.34
Positive control	SAL	10.40 ± 2.33	13.84 ± 3.10	9.96 ± 1.10	13.26 ± 1.46	10.18 ± 0.33	13.56 ± 0.43
Phytochemical Category	Phytochemical Compound	HLCSC
		24 h		48 h		72 h
		μg/mL	μM	μg/mL	μM	μg/mL	μM
Isothiocyanate	BI	2.88 ± 0.24	19.30 ± 1.61	2.80 ± 0.11	18.73 ± 0.71	3.14 ± 0.23	21.04 ± 1.52
	PI	5.14 ± 0.20	31.49 ± 1.21	6.10 ± 0.07	37.37 ± 0.43	6.27 ± 0.16	38.38 ± 1.00
Chalcone	LICO	8.27 ± 1.49	24.42 ± 4.41	8.65 ± 0.63	25.55 ± 1.86	12.01 ± 0.59	35.49 ± 1.76
	ISO	22.25 ± 0.67	86.81 ± 2.62	23.01 ± 0.12	89.76 ± 0.47	23.52 ± 0.45	91.77 ± 1.74
Alkaloid	EVO	4.71 ± 1.49	15.53 ± 4.90	7.72 ± 0.72	25.45 ± 2.38	9.13 ± 0.54	30.10 ± 1.77
	CHE	8.2 ± 0.44	23.21 ± 1.24	7.86 ± 0.04	22.23 ± 0.10	12.57 ± 2.72	35.57 ± 7.68
Positive control	SAL	3.46 ± 0.35	4.61 ± 0.47	4.42 ± 1.90	5.89 ± 2.52	2.57 ± 0.38	3.42 ± 0.50