Dark sweet cherry (Prunus avium) phenolics enriched in anthocyanins exhibit enhanced activity against the most aggressive breast cancer subtypes without toxicity to normal breast cells

•Dark cherry phenolics inhibit breast cancer without toxicity to normal cells.•Dark sweet cherry phenolics inhibit MDA-MB-453 cells growth with highest potency.•Dark sweet cherry anthocyanins inhibit growth of aggressive breast cancer subtypes.•Dark sweet cherry anthocyanins downregulate invasive genes in MDA-MB-453 cells.