May 15, A variety of cheese is enjoyed all around the United States. acidic liquid to milk - this acid could come from vinegar, lemon juice, or bacteria. Cheese is a dairy product derived from milk that is produced in a wide range of flavors, textures, . Before then, bacteria in cheesemaking had come from the environment or from recycling an earlier batch's .. Vegans and other dairy- avoiding vegetarians do not eat conventional cheese, but some vegetable-based cheese. According to ancient records passed down through the centuries, the making of cheese dates back more than 4, years. No one really knows who made the.