Taze marul dezenfeksiyonunda ozonlanmış su kullanımı

Elif Savaş

Öz


Taze marul (Lactuca sativa L.) yapraklarının paketleme öncesi kalite parametreleri, taşıdığı mikrobial yüke bağlı olarak değişmektedir. Bu çalışmanın amacı, taze marul yapraklarının yıkanmasında ozonlanmış su kullanımının bakterisit etkisini belirlemektir. Bu amaçla marul yaprakları ozon jeneratörü ile entegre edilmiş bir ünitede yıkanmıştır. Yıkanan marul yapraklarında toplam bakteri, fekal koliform, E.coli, Staphylococcus aureus, Vibrio spp. sayıları izlenmiştir. +4oC’de 13 gün depolanan marul örneklerinde analizler doğrudan ya da en uygun tarihten hemen önce analiz edilmiştir. Uygulamada kullanılan su örneklerinde pH ölçümleri yapılmıştır. Depolama sürecinin ilk kısmında toplam kabul edilebilir özelliklerde belirgin bir farklılık gözlenmez iken ilerleyen günlerde belirgin kayıplar meydana gelmiştir. Yıkama işlemi ile toplam mikroflora etkin bir şekilde azalmıştır. 


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