Table 4.

Cytotoxicity of the ethanolic extract from bulb (BE) and aerial parts (APE) of Allium subhirsutum, expressed as IC₅₀ values on human tumor cell lines.

Extracts	Cell line (IC50 µg/mL) a
	HCT116 b	MDA-MB 231 c	T98G d
BE	71.07	73.72	>200
95% C.I. e	62.71–80.54	65.37–83.14
APE	99.17	140.4	>200
95% C.I. e	91.25–107.8	135.6–145.3
Positive control
Cisplatin	2.62	2.07	2.34
95% C.I. e	2.41–2.85	1.56–2.22	2.05–2.56

^a IC₅₀ = The concentration of compound that affords a 50% reduction in cell growth (after 72 h of incubation). ^b Human colon carcinoma cell line. ^c Human breast adenocarcinoma cell line. ^d Human glioblastoma multiforme cell line. ^e Confidence interval.