Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage

The mechanism behind the sterilization effects of ozone in combination with sodium metasilicate (SM) is still unknown. Therefore, the effects of treatments of fresh-cut cabbage with aqueous ozone combined with SM on microbial growth, and produce quality were evaluated in detail during storage. The r...

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Main Authors: Meimei Nie, Caie Wu, Yadong Xiao, Jiangfeng Song, Zhongyuan Zhang, Dajing Li, Chunquan Liu
Format: Article
Language:English
Published: Taylor & Francis Group 2020-01-01
Series:International Journal of Food Properties
Subjects:
Online Access:http://dx.doi.org/10.1080/10942912.2020.1842446
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author Meimei Nie
Caie Wu
Yadong Xiao
Jiangfeng Song
Zhongyuan Zhang
Dajing Li
Chunquan Liu
author_facet Meimei Nie
Caie Wu
Yadong Xiao
Jiangfeng Song
Zhongyuan Zhang
Dajing Li
Chunquan Liu
author_sort Meimei Nie
collection DOAJ
description The mechanism behind the sterilization effects of ozone in combination with sodium metasilicate (SM) is still unknown. Therefore, the effects of treatments of fresh-cut cabbage with aqueous ozone combined with SM on microbial growth, and produce quality were evaluated in detail during storage. The results indicated that treating the cabbage with 2 ppm aqueous ozone combined with 0.4% SM for 2 min achieved acceptable microbial quality, and reduced E. coli O157:H7 counts by 3.33 logs compared with the control samples after 12 d of storage. This combination treatment had no negative effects on sensory characteristics (appearance and off-odor), color, and the contents of vitamin C, total phenols and carotenoids. The combined ozone-SM treatment was more effective than individual treatments in controlling the pathogens and native microorganisms on fresh produce and could extend the storage up to 12 d. This hurdle treatment may be used as a processing intervention to control microorganism.
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spelling doaj.art-9b20f107712641a18c3d25feffb8bc972022-12-21T22:56:35ZengTaylor & Francis GroupInternational Journal of Food Properties1094-29121532-23862020-01-012312065207610.1080/10942912.2020.18424461842446Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbageMeimei Nie0Caie Wu1Yadong Xiao2Jiangfeng Song3Zhongyuan Zhang4Dajing Li5Chunquan Liu6Jiangsu Academy of Agricultural SciencesNanjing Forestry UniversityJiangsu Academy of Agricultural SciencesJiangsu Academy of Agricultural SciencesJiangsu Academy of Agricultural SciencesJiangsu Academy of Agricultural SciencesJiangsu Academy of Agricultural SciencesThe mechanism behind the sterilization effects of ozone in combination with sodium metasilicate (SM) is still unknown. Therefore, the effects of treatments of fresh-cut cabbage with aqueous ozone combined with SM on microbial growth, and produce quality were evaluated in detail during storage. The results indicated that treating the cabbage with 2 ppm aqueous ozone combined with 0.4% SM for 2 min achieved acceptable microbial quality, and reduced E. coli O157:H7 counts by 3.33 logs compared with the control samples after 12 d of storage. This combination treatment had no negative effects on sensory characteristics (appearance and off-odor), color, and the contents of vitamin C, total phenols and carotenoids. The combined ozone-SM treatment was more effective than individual treatments in controlling the pathogens and native microorganisms on fresh produce and could extend the storage up to 12 d. This hurdle treatment may be used as a processing intervention to control microorganism.http://dx.doi.org/10.1080/10942912.2020.1842446hurdle technologyfresh producecolormicroorganismsqualitynutrients
spellingShingle Meimei Nie
Caie Wu
Yadong Xiao
Jiangfeng Song
Zhongyuan Zhang
Dajing Li
Chunquan Liu
Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
International Journal of Food Properties
hurdle technology
fresh produce
color
microorganisms
quality
nutrients
title Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
title_full Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
title_fullStr Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
title_full_unstemmed Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
title_short Efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh-cut cabbage
title_sort efficacy of aqueous ozone combined with sodium metasilicate on microbial load reduction of fresh cut cabbage
topic hurdle technology
fresh produce
color
microorganisms
quality
nutrients
url http://dx.doi.org/10.1080/10942912.2020.1842446
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