What is the dye used in the big red paper can be eaten

Big red powder, can. According to the query Oriental food safety network information shows that the red dye on the big red paper is mainly by the big red powder, polyethylene glue, alkali and water in accordance with the proportion of preparation, can be eaten. Big red paper, also known as "red plum paper", commonly known as "couplet paper", "festive paper", in the ordinary white paper coated with red dye made of a colored paper.