... cells. As a perfect biological preservative, it's widely used in food preservation. It also can be applied to ... high efficiency, broad-spectrum and safety. It can be widely used in cheese, meat, broth, moon cake, pastries, juices, ... less than 10mg/kg. This product can be used with other preservatives.Packing and Storage:Content: Pharmaceutical ... :5.CERTIFICATES: natural preservative Nisin used in beer