... kinds of soy sauce, fermented bean curd, food vinegar and family seasonings and so on.2. ... product processing: Add the yeast extract into the meat food , such as the ham , the sausage , the ... extract paste for Convenience food : such as fast-food, leisure food , frozen food , pickles , biscuits and cakes , puffed food , dairy products ... amino acid and high protein. Food grade beer yeast extract paste as ...