Abstract: Prepared meat products refer to a kind of meat products which are pretreated and can be eaten by simple processing. They are preferred by consumers because of their wide variety, delicious taste and rich nutrition, and convenient eating. Since prepared meat products are not sterilized during processing, microbial contamination, protein oxidation and lipid oxidation are prone to occur during the storage, transportation and sales process which could result in a decline of nutrition. The use of the preservatives can effectively reduce these problems, however, considering the side effects of the chemical preservatives, its safety has been questioned. Natural preservativess have the characteristics of high safety, wide application range, and excellent preservation effect, which have become the research hots pot of preservation of prepared meat products. This article reviewed the classification, antibacterial, antioxidant mechanism of natural preservatives and its application in prepared meat products. The development of the natural preservatives was also been discussed, which provides support for improving the safety of prepared meat products.
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