Antimicrobial activity and stability of weakly acidified chlorous acid water

Persistent ID (NDL): info:ndljp/pid/11337633

Material type: 博士論文

Author: 堀内, 功典

Publisher: -

Publication date: 2016-03-24

Material Format: Digital

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Name of awarding university/degree: 香川大学,博士（医学）

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Note (General)：: The antimicrobial activity of weakly acidified chlorous acid water (WACAW) against Staphylococcus aureus, non-pathogenic Escherichia coli, enterohemor...

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Material Type: 博士論文
Title: Antimicrobial activity and stability of weakly acidified chlorous acid water
Author/Editor: 堀内, 功典
Author Heading: 堀内, 功典
Publication Date: 2016-03-24
Publication Date (W3CDTF): 2016-03-24
Degree grantor/type: 香川大学
Date Granted: 2016-03-24
Date Granted (W3CDTF): 2016-03-24
Dissertation Number: 甲第628号
Degree Type: 博士（医学）
Conferring No. (Dissertation): 甲第628号
Text Language Code: eng
Alias of Author: Horiuchi, Isanori
Subject Heading: Chlorous acid water
Weak acidification
Broiler carcasses
Stability in fabrics
Target Audience: 一般
Note (General): The antimicrobial activity of weakly acidified chlorous acid water (WACAW) against Staphylococcus aureus, non-pathogenic Escherichia coli, enterohemorrhagic E. coli (EHEC O157:H7), Candida albicans, and spore-forming Bacillus and Paenibacillus species was evaluated in vitro. The antiviral activity was also examined using feline calicivirus (FCV). Diluted WACAW (>100 ppm) effectively reduced the number of non-spore-forming bacteria (>4 log10 CFU reductions) within 5 min. Treatment with this sanitizer at 400 ppm for 30 min achieved>5 log10 CFU reductions in spore-forming Bacillus and Paenibacillus species while an equivalent concentration of sodium hypochlorite (NaClO) resulted in only a 0.98 and 2.72 log10 CFU reduction, respectively. The effect of this sanitizer against FCV was equivalent to that of NaClO. Immersion in WACAW (400 ppm) achieved >4 and 2.26 log10 CFU reductions in Campylobacter jejuni and EHEC, respectively, on artificially contaminated broiler carcass pieces. Finally, theantimicrobial activity of this sanitizer was shown to be maintained for at least 28 d when in contact with nonwoven fabric (100% cotton). This study showed that pH control of chlorous acid is expected to modify its antimicrobial activity and stability. WACAW is expected to have applications in various settings such as the food processing and healthcare industries.
DOI: info:doi/10.4265/bio.20.43
https://doi.org/info:doi/10.4265/bio.20.43
Persistent ID (NDL): info:ndljp/pid/11337633
https://dl.ndl.go.jp/pid/11337633
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2019-08-03T12:23:27+09:00
Date Created (W3CDTF): 2020-10-27
Format (IMT): PDF
Access Restrictions: 国立国会図書館内限定公開
Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
Availability of remote photoduplication service: 可
Periodical Title (URI): https://kagawa-u.repo.nii.ac.jp/records/382
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
https://dl.ndl.go.jp