Cited by 39Plasma Applications and DiagnosticsMicrobial Inactivation MethodsPostharvest Quality and Shelf Life Management

Impact of atmospheric non-thermal plasma and hydrothermal treatment on bioactive compounds and microbial inactivation of strawberry juice: A hurdle technology approach

Mehta, Deepak, Yadav, Sudesh Kumar·2020·Food Science and Technology International

Abstract

The aim of this study was to investigate the hurdle effect of combining atmospheric cold plasma (ACP) with hydrothermal treatment on ascorbic acid, individual polyphenolic compounds, total phenolic content, and microbial inactivation of strawberry juice. Strawberry juice was treated with ACP for 10 and 15 min using dielectric barrier discharge at 60 kV with the input voltage of 260 V. The ascorbic acid concentration was retained maximum only in ACP treatment followed by ACP + hydrothermal treatment. Furthermore, ACP treatment for 10 min coupled with hydrothermal treatment resulted in the higher concentration of gallic acid, epigallocatechin, phloretin, naringin, hyprin, and 4-O-caffeoylquinic acid with respect to control ( p < 0.05). In addition, ACP treatment for 10 min at 60 kV in combination with hydrothermal treatment resulted in increased total phenolic content ( p < 0.05). Moreover, a 2-log microbial reduction was found in processed strawberry juice with ACP coupled-hydrothermal treatment in comparison to control juice ( p < 0.05). Therefore, ACP treatment of 10 min followed by hydrothermal treatment was found to be advantageous processing for strawberry juice to retain nutritional quality and decrease microbial load. Moreover, further optimization of ACP or hydrothermal processing with utilization of preservatives could be achieved for desired microbial inactivation for an industrial process.

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Crossref · 10.1177/1082013219865360

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Authors
Mehta, D., & Yadav, S. K.
Affiliations
Center of Innovative and Applied Bioprocessing (CIAB), Mohali, India
Corresponding author
Yadav, Sudesh Kumar
Venue
Food Science and Technology International
Published
2019-08-01
Volume
26
Issue
1
Pages
3-10
ISSN
  • 1082-0132 (ISSN-L)
  • 1532-1738
OpenAlex
W2966417022
Cited by
39
References
45
Citations by year
2026: 5 · 2025: 7 · 2024: 5 · 2023: 4 · 2022: 7 · 2021: 6 · 2020: 5
FWCI
2.99
Type
journal article
Language
en
Open access
closed
Locations
  • Food Science and Technology International (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Plasma Applications and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Postharvest Quality and Shelf Life Management
Keywords
cold atmospheric plasma, hydrothermal treatment, hurdle technology, strawberry juice, vitamin C retention, polyphenols, total phenolic content, microbial inactivation, dielectric barrier discharge, fruit juice processing, food preservation
MeSH terms
Fruit and Vegetable Juices, Ascorbic Acid, Hot Temperature, Fragaria, Microbial Viability, Plasma Gases, Polyphenols

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