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The application of micro-wave treatment to reduce barley contamination

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Pisipilt

Kuupäev

2018

Kättesaadav alates

Autorid

Kretova, Y.
Tsirulnichenko, L.
Naumemko, N.
Popova, N.
Kalinina, I.

Ajakirja pealkiri

Ajakirja ISSN

Köite pealkiri

Kirjastaja

Abstrakt

The goal of this work is to study the applicability of ultra high frequency electromagnetic field treatment for decontaminating barley grain used in brewing while preserving its technological properties. The germination rates and/or yield of the treated sample seed were compared with those of the untreated seed germinated under normal conditions. To determine optimal treatment conditions, a two-factor analysis was carried out, taking the mycological state of the grain into account. The heating rate and the duration of electromagnetic exposure were chosen as variables; these values varied from 0.4 to 0.8 °C s-1 and from 30 to 90 s, respectively. It was found that germination of the treated barley seed was increased about 10.1–15.7% compared with that of the untreated seed. The microbial load decreased up to 80%. A heating rate of 0.4 °C s-1 and treatment exposure time of 30 s showed the strongest effect of decontamination while preserving the viability of the barley grain.

Kirjeldus

Article

Märksõnad

microwaves, barley, Alternaria, malt, mycotoxin, grain viability, articles

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