N-Preserb is used to substitute Sodium Benzoate and Potassium Sorbate. It is synthetic which has property in control acid & alkaline ph. In other words, it can control the growth of all bacteria . Due to no Benzoic acid contained, this product can export to many countries who ban Benzoic acid.N-Preserb fit for acidic foods such as soy sauce,fish sauce,fruit & vegetable pickles. Packing: 20 kg/bag; MOQ: 500kg; Sample: Available; Payment Term: T/T, L/C