date:Dec 17, 2018
isoning by accumulating in the body, Tang said. But the packaging of milk in bags is a kind of green material made of paper, aluminum foil and polyethylene. The melting point of polyethylene is generally above 120 C, which is much higher than the boiling point of water. Therefore, it is impossible for polyethylene layer to break down and melt in the process of boiling, and aluminum foil can not precipitate metal aluminum. Therefore, it is groundless to say that heated milk in bags will cause the