Surface Applications of Ultraviolet Light in Food Industry

Year 2018, Volume: 16 Issue: 1, 88 - 100, 23.04.2018

Nurcan Koca , Turkuaz Ecem Saatli Müge Urgu

https://doi.org/10.24323/akademik-gida.417901

Cited By: 1

Abstract

In food industry, surface decontamination of foods that cannot be heat
treated or contaminated after heat treatment is of great importance. Ultraviolet
(UV) light is a promising technology for microbial decontamination and can be
used as an alternative to heat treatments for surfaces. In recent years, UV
light application has become widespread because of its low maintenance cost,
easy to use and positive consumer image. It can be used for surface
decontamination of foods, equipments in contact with foods and packaging
materials. For this purpose, batch or continuous UV disinfection units can be
designed for specific uses. Factors influencing surface disinfection and
microbial inactivation and, quality changes with the use of UV light systems
need to be considered. In this study, potential applications of UV light on food
surfaces, equipments in contact with foods and packaging materials besides inactivation
mechanisms and light sources are reviewed. Advantages of this technology,
factors influencing the efficacy of UV light and legal aspects are also presented.

Keywords

Ultraviolet light, Surface application, Food, Non-thermal process

Gıda Sanayisinde Ultraviyole Işığın Yüzey Uygulamaları

Abstract

Gıda sektöründe, ısıl işlem uygulanamayan ya da ısıl işlem uygulanmış
ancak sonrasında bulaşma olmuş gıdaların yüzey dekontaminasyonu her zaman önemini
korumuştur. Ultraviyole (UV) ışık; ısıl işlem alternatifi olarak yüzeylerde
rahatlıkla kullanılabilen umut verici mikrobiyal dekontaminasyon yöntemidir. Son
yıllarda, düşük yatırım maliyeti, kolay uygulanabilmesi ve pozitif tüketici
imajı gibi çeşitli avantajları sebebiyle UV ışın uygulaması gıda endüstrisinde gittikçe
yaygınlaşmaktadır. Gıdaların ve gıdayla
temas eden ekipmanların yüzey dezenfeksiyonu ile ambalaj dekontaminasyonu başta
olmak üzere çeşitli yüzey uygulamalarında kullanılabilmektedir. Bu amaçla,
hedefe yönelik olarak kesikli ya da sürekli sistem çalışan UV kabinleri dizayn
edilmektedir. Bu sistemlerin kullanımında, yüzey dezenfeksiyonunu etkileyen
faktörlerin bilinmesi ve mikrobiyal inaktivasyon yanısıra kalite değişimlerinin
de göz önünde bulundurulması oldukça önemlidir. Bu derlemede, UV ışık
uygulamasının inaktivasyon mekanizması ve kullanılan ışık kaynakları hakkında
genel bilgiler verilmekle birlikte, UV ışığın gıda ve gıda ile temas eden
ekipman yüzeyleri ile ambalajların yüzey uygulamalarında kullanım olanakları ve
etkileri ile ilgili detaylı bilgi verilmesi amaçlanmıştır. Ayrıca, UV ışığın
yüzey uygulamalarındaki avantajları, uygulamanın etkinliğini sınırlandıran
faktörler ile yasal düzenlemeler de ele alınmıştır.

Keywords

Ultraviyole ışık, Yüzey uygulama, Gıda, Isıl olmayan işlem

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