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Nano and microencapsulation of bacteriocins for food applications: A review

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FOOD BIOSCIENCE
卷 50, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.fbio.2022.102173

关键词

Bacteriocins; Nisin; Pediocin; Encapsulation methods; Food biopreservation

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The increasing demand for prolonging food shelf life and inhibiting food spoilage and pathogenic microorganisms has led to the development of novel biopreservatives and conservation methods. Antimicrobial peptides derived from microorganisms are being considered as a major alternative to chemical preservatives in food products. Nano- or microencapsulation processes can protect these biopreservatives and efficiently prevent microbial contamination and food spoilage. This review focuses on various encapsulation methods for antimicrobial bacteriocins, with emphasis on their applications in dairy, meat products, and fruit juice.
The increasing demand for prolonging food shelf life and inhibiting food spoilage and pathogenic microorgan-isms lead to development of novel biopreservatives and conservation methods. Antimicrobial peptides derived from microorganisms like bacteriocins are considered as a major alternative to the application of chemical preservatives in food products. Direct addition of purified antimicrobial peptides into food matrix results in reduced antibacterial activity due to the interaction of peptides with food components. Nano-or microencap-sulation process can protect biopreservatives against many adverse conditions and controlled release of the agents efficiently prevent microbial contamination and food spoilage. This review focuses on the most frequently used chemical, physical and mechanical encapsulation methods for various antimicrobial bacteriocins including liposome entrapment, coacervation, emulsification, spray-drying, and vibrating technology. The most recent applications of nano-or microencapsulated antimicrobial bacteriocins with emphasis on nisin and pediocin in various food products like dairy, meat products and fruit juice have been discussed.

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