Multiple myeloma (MM) is one of the most common hematological malignancies and to date, it remains an incurable disease. In this study,we evaluated the inhibitory effect of 5-acetyloxy-6,7,8,4-tetramethoxyflavone (5-ATMF), a compound from aged citrus peel extracts, on theMM U266 cell line. We found that the compound inhibited cell growth and induced cell apoptosis in multiple apoptotic assays.…