Reviews on natural plant food preservatives and their antibacterial abilities

Food spoilage causes a huge economic loss.Food preservatives are essential additives in the processing and storage of foods to prevent food from decomposition by the microbial growth or spoilage during the transportation.There are three main kinds of food preservatives-chemical synthesis preservatives,natural preservatives and compound preservatives.The natural food preservatives are classified based on the sources:plant,animal and microbial.The natural plant food preservative is becoming more and more favored by people.In this paper,the six new natural food preservatives from plants and theirs antibacterial composition,antibacterial mechanism,antibacterial effects were summarized.These preservatives are aromatic seasoning extracts,herb extracts,aloe extracts,bamboo leaves extracts and water chest peel extracts.The study provided evidence for the research and development of safe,high effective and natural plant food preservatives.