Collagen for industrial purposes; Non-nutritive mixture of protein in the nature of collagen and water for use as an ingredient in the manufacture of food, namely, for forming an edible food product; Collagen used as a raw ingredient in the manufacture of food, namely, non-nutritive mixture of collagen protein and water for forming an edible food product; Proteins in the nature of collagen for use in the manufacture of food supplements; Emulsifiers for use in the manufacture of sausages; Emul...