Table 2.

Effect of steroids and triterpenoids from supercritical carbon dioxide extracts of H. polyrhizus and H. undatus against cell viability of different cancer cell lines

Compound	IC 50 (μM) a
	PC3	Bcap-37	MGC-803
α-Amyrin	>100b	>100	>100
β-Amyrin	73.2 ± 1.02	78.4 ± 0.93	51.9 ± 0.87
β-Sitosterol	74.4 ± 0.65	58.2 ± 0.44	43.8 ± 0.63
Stigmast-4-en-3-one	65.4 ± 1.13	79.3 ± 0.49	56.9 ± 0.81
ADMc	1.09 ± 0.18	1.34 ± 0.30	0.83 ± 0.22

^aAgent concentration (μM) that inhibited cell growth by 50% at 72 h after treatment.

^bWhen 50% inhibition could not reached at the highest concentration, then >100 μM was given.

^cAdriamycin, positive control.