Table 4 IC₅₀ value (mg/mL) of anticancer activity of sweet potato extract

3.40 ± 0.314^a

2.68 ± 0.221^a

0.66 ± 0.095^d

0.62 ± 0.150^d

0.78 ± 0.103^c

0.90 ± 0.131^c

0.94 ± 0.161^b

1.40 ± 0.264^b

0.038 ± 0.007^e

0.037 ± 0.004^e