GC-MS Evaluation, Antioxidant Content, and Cytotoxic Activity of Propolis Extract from Peninsular Malaysian Stingless Bees, Tetrigona Apicalis

Table 3

IC₅₀ and SI at three time points (24, 48, and 72 hours) for MCF7, MCF 10A, and tamoxifen.

Incubation time (hours)	MCF7	MCF 10A	Tamoxifen	SI
24	62.24 μg/mL ± 0.016	49.55 μg/mL ± 0.032	9.05 μg/mL ± 0.035	0.8
48	44.15 μg/mL ± 0.02	56.05 μg/mL ± 0.026	7.85 μg/mL ± 0.02	1.27
72	32.70 μg/mL ± 0.034	72.10 μg/mL ± 0.027	7.85 μg/mL ± 0.02	2.20