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Microbial contamination, microbial growth and oxidation of lipids in foods during processing and storage are the major causes of food-borne illnesses and loss of shelf life. Thus, a number of antimicrobial agents and antioxidants are permitted by regulatory agencies to minimize the deterioration of food quality. There is a widespread trend towards natural preservatives among consumers. In an effort to meet this demand, there has been increased interest in the food industry in using preservatives that are perceived as natural as possible. Chitosan, a polysaccharide biopolymer that combines a unique set of versatile physicochemical and biological characteristics which allow for a wide range of applications, has received attention as potential food preservative of natural origin due to its antibacterial and antifungal activities.
About the author
I am Dr.Nguyen Van Toan,from school of Biotechnology,International University, Vietnam National University,Vietnam.My specialized researches are production of biomaterials a theirs applications in agriculture,medicine and biotechnology.
