Table 2. The average cell viability (%) of HTC cells exposed to L3 and LNO3 for 24, 48 and 72 hours obtained from cytotoxicity assay (MTT). The cell viability percentage was calculated from absorbance values obtained from cytotoxicity assay. The positive control was doxorubicin (10μg/mL).

Treatments		Times of Exposure
	[μg/mL]	24 hours	48 hours	72 hours
CTRL		100 ± 3.158	100 ± 2.580	100 ± 0.7976
DXR	10	59.48 ± 4.214a *	26.00 ± 1.620a *	10.34 ± 0.9262a *
L3	50	111.3 ± 3.698	102.5 ± 6.041	98.00 ± 2.527
	100	106.7 ± 1.764	94.06 ± 5.536	97.13 ± 1.815
	250	106.6 ± 1.809	93.64 ± 3.592	94.83 ± 1.719
	500	99.82 ± 5.079	89.76 ± 4.653	92.07 ± 1.780a *
LNO3	50	97.73 ± 2.795	98.39 ± 2.674	97.62 ± 1.793
	100	94.41 ± 4.886	92.61 ± 0.6698	99.39 ± 2.865
	250	86.05 ± 5.918	84.25 ± 0.4903	87.38 ± 2.212a *
	500	80.06 ± 6.226	67.52 ± 2.168a *	78.23 ± 0.4306a * b *

CTRL: Control; DXR: Doxorubicin;

^aStatistically significant compared to control;

^bStatistically significant compared to L3 at the same concentration.

^*p ≤ 0.05.