Abstract
Active packaging technology is one of the innovative methods for preserving of food products, and antimicrobial packaging films is a major branch and promising application of this technology. In order to control microbial spoilage and also contamination of pathogen onto processed or fresh food, antimicrobial agent(s) is/are incorporated into food packaging structure. Polymer type as a carrier of antimicrobial can be petroleum-based plastic or biopolymer: because of environmental concerns researchers have lean to development of biodegradable antimicrobial films. Antimicrobial substances can be organic acids, parabens, sulfites, nitrites, phosphates, alcohols, antibiotics and bacteriocins. Succeed of antimicrobial film mainly depends on antimicrobial agent selection that antimicrobial should be chosen according to the food type packed, and deteriorative microbial flora of it. This review discussed the recent application of antimicrobial-active films for food protection. Also, their activity mechanisms against microorganisms, the effects of antimicrobials on food quality and of the film properties were presented.
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