Sodium dehydroacetate is a kind of safe and food preservatives, can avoid food decaying and prolong food storage time. has stronger and wide bacteriostatic action. It presents good results in acid, neutral and alkali condition is strongly inhibited to Bacteria, yeast, mould. It is widely used in classified food specified by GB 25547, is very effective with low concentration, and has good effects in light and heat resistant. Do not decompose in the condition of high temperature and cooking, and is non-volatile and free of odor.Sodium dehydroacetate is a kind of safe and food preservatives, can avoid food decaying and prolong food storage time. has stronger and wide bacteriostatic action. It presents good results in acid, neutral and alkali condition is strongly inhibited to Bacteria, yeast, mould. It is widely used in classified food specified by GB 2760, is very effective with low concentration, and has good effects in light and heat resistant. Do not decompose in the condition of high temperature and cooking, and is non-volatile and free of odor.