The toxicity of chokeberry extract on normal blood vessel lining cells was tested and found to have no effects up to the highest levels used (50 ug / ml), suggesting that the cell death effect is happening in a way other than through preventing new blood vessel formation (anti-angiogenesis), a process that is important in cancer cell growth. (sciencedaily.com)
Examples of these are the black chokeberries as well as the maqui berries. (ellagicdirect.com)
The analysis indicated that 48 hours of chokeberry extract treatment of pancreatic cancer cells induced cell death at 1 ug / ml. (sciencedaily.com)