Table 2.

Cytotoxic activity of the isolated compounds from Tylophora indica using MTT assays.

No.	Compounds	IC50 ± SD (μM) a
		MCF-7	HepG2	HCT-116
1.	Tylophorine	126.5	40.10 ± 2.94	142.20 ± 3.06
2.	Tylophorinicine	50.71 ± 2.86	35.33 ± 2.97	75.55
3.	Tylophorinine	31.96 ± 2.64	23.8 ± 3.02	86.95 ± 3.08
4.	Tylophorinine N-Oxide	˃200	196.60	˃200
5.	Tylophorinidine	6.45 ± 2.06	4.77 ± 2.11	20.08 ± 1.94
6.	Tylophorinidine-N-Oxide	12.15 ± 1.81	15.31 ± 2.04	65.62 ± 2.24
7.	Septicine	˃200	˃200	˃200
8.	Chlorogenic acid	134.00	169.90	˃200
9.	Chlorogenic acid methyl ester	˃200	˃200	˃200
10.	Cisplatin (Reference)	5.70 ± 0.76	12.93 ± 0.91	14.42 ± 1.69

^a IC₅₀: Inhibitory concentration for 50%.