Powdered formulas are a better choice, the EWG says, because babies fed reconstituted powdered formula likely receive 8 to 20 times less BPA than those fed liquid formula from a metal can.

• 粉末配方是更好的选择，EWG提出，因为喂饲重建粉末配方的婴儿可能比喂饲来自金属罐头的液体配方少接受8-20倍的BPA。