In food from McDonald's have duck feathers

According to the myth of the McDonald's hamburger in his eyes he found the cow. Although this fact is not confirmed, in their apple pie actually have feathers duck, or at least an ingredient derived from them.

Duck feathers and human hair are the most common sources of L-tsistseina - amino acids, which is used to test and improve its ductility that facilitates its better handling. According to the data, most of the L-tsistseina derived from human hair comes from women in China to help his family by selling her hair factories engaged in chemical processing.

Although the original source of L-tsistseina are human hair, many manufacturers began to increasingly use more acceptable duck feathers.

via factroom.ru