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Comparative lethality kinetic curves and predictive models of F-value for Listeria monocytogenes using different sanitizers

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Abstract:
The objective of this work was to evaluate the kinetic of inactivation of Listeria monocytogenes using peracetic acid, chlorhexidine, and organic acids as active agent, determining the respective D-, Z-, and F-values. From our knowledge, these important results from an industrial view point are not available in the current literature, mainly for organic acids, pointing out the main contribution of the present work. Lower D-values were obtained for peracetic acid and Chlorhexidine, compared with the organic acids. For the reduction of 6 log10 of L. monocytogenes using peracetic acid, at 0.2, 0.1, and 0.05% are necessary 7.08, 31.08, and 130.44 min of contact, respectively. The mathematical models of Fvalues showed that at concentrations lower than 0.15% one can verify an exponential increase in F-values, for both de chlorhexidine and peracetic acid. The organic acids presented a linear behavior, showing slight variation in F-values, is even more effective in under dosage. The results obtained are of fundamental importance in terms of industrial strategy for sanitization procedure, permitting to choose the best relation product concentration/exposure time, aiming at reducing costs without compromising the disinfectant efficiency.

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Ketersediaan

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Informasi Detail

Judul Seri

Food Science & Nutrition

No. Panggil

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Penerbit

: Food Science & Nutrition published by Wiley Periodicals, Inc.., 2013

Deskripsi Fisik

Food Science & Nutrition 2013; 1(1): 27–31

Bahasa

English

ISBN/ISSN

doi: 10.1002/fsn3.5

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

2013; 1(1)

Subjek

Food Science & Nutrition

Info Detail Spesifik

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Pernyataan Tanggungjawab

deliza

Versi lain/terkait

Lampiran Berkas

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