Inactivation effect of infrared radiation heating on bacterial spores pretreated at various water activities

Daisuke Hamanaka; Toshitaka Uchino; Naomi Furuse; Shun Ichiro Tanaka

doi:10.4265/bio.10.61

Inactivation effect of infrared radiation heating on bacterial spores pretreated at various water activities

Daisuke Hamanaka, Toshitaka Uchino, Naomi Furuse, Shun Ichiro Tanaka

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Abstract

Bacillus subtilis spores pretreated at various water activities (a _w, from 0.005 to 0.996) were inactivated by infrared radiation heating (IRH) at 0.5 and 1.0 kW of electric power under dry conditions in an open system. The resistance of B. subtilis spores to IRH was greater in the range of 0.25 to 0.874 a_w, and had the maximum value when a _w was 0.796 at 0.5 kW and 0.688 at 1.0 kW. Markedly lower IRH resistance of B. subtilis spores was observed at the lower or higher levels of a_w.

Original language	English
Pages (from-to)	61-65
Number of pages	5
Journal	Biocontrol Science
Volume	10
Issue number	1-2
DOIs	https://doi.org/10.4265/bio.10.61
Publication status	Published - Jun 2005

All Science Journal Classification (ASJC) codes

Applied Microbiology and Biotechnology
Public Health, Environmental and Occupational Health

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10.4265/bio.10.61

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title = "Inactivation effect of infrared radiation heating on bacterial spores pretreated at various water activities",

abstract = "Bacillus subtilis spores pretreated at various water activities (a w, from 0.005 to 0.996) were inactivated by infrared radiation heating (IRH) at 0.5 and 1.0 kW of electric power under dry conditions in an open system. The resistance of B. subtilis spores to IRH was greater in the range of 0.25 to 0.874 aw, and had the maximum value when a w was 0.796 at 0.5 kW and 0.688 at 1.0 kW. Markedly lower IRH resistance of B. subtilis spores was observed at the lower or higher levels of aw.",

author = "Daisuke Hamanaka and Toshitaka Uchino and Naomi Furuse and Tanaka, {Shun Ichiro}",

year = "2005",

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doi = "10.4265/bio.10.61",

language = "English",

volume = "10",

pages = "61--65",

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T1 - Inactivation effect of infrared radiation heating on bacterial spores pretreated at various water activities

AU - Hamanaka, Daisuke

AU - Uchino, Toshitaka

AU - Furuse, Naomi

AU - Tanaka, Shun Ichiro

PY - 2005/6

Y1 - 2005/6

N2 - Bacillus subtilis spores pretreated at various water activities (a w, from 0.005 to 0.996) were inactivated by infrared radiation heating (IRH) at 0.5 and 1.0 kW of electric power under dry conditions in an open system. The resistance of B. subtilis spores to IRH was greater in the range of 0.25 to 0.874 aw, and had the maximum value when a w was 0.796 at 0.5 kW and 0.688 at 1.0 kW. Markedly lower IRH resistance of B. subtilis spores was observed at the lower or higher levels of aw.

AB - Bacillus subtilis spores pretreated at various water activities (a w, from 0.005 to 0.996) were inactivated by infrared radiation heating (IRH) at 0.5 and 1.0 kW of electric power under dry conditions in an open system. The resistance of B. subtilis spores to IRH was greater in the range of 0.25 to 0.874 aw, and had the maximum value when a w was 0.796 at 0.5 kW and 0.688 at 1.0 kW. Markedly lower IRH resistance of B. subtilis spores was observed at the lower or higher levels of aw.

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DO - 10.4265/bio.10.61

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JO - Biocontrol Science

JF - Biocontrol Science

IS - 1-2

ER -

Inactivation effect of infrared radiation heating on bacterial spores pretreated at various water activities

Abstract

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