Fig. 1

Effects of 5-methoxyflavone on the viability of BEAS-2B cells. (A) Chemical structure of 5-methoxyflavone (5-MF). (B) BEAS-2B cells were treated with 5-methoxyflavone for 24 and 48 h. The viability of BEAS-2B cells was determined by the MTT assay.