... Group Inc. a,natural food preservative Nisin b,KOSHER,HALAL c,free sample Introduction ... will work.Natamycin has several specifications:50% Natamycin(in lactose), 50% Natamycin (in glucose), 50% Natamycin (in ... sterile/non-sterile) 50% Natamycin, Natamycin≥50% (in lactose/glucose/sodium chloride)Packing: 500g/Bottle, 10 bottles/Carton; ... .DETAILS :5.CERTIFICATES: natural preservative Nisin used in beer