Cited by 104Microbial Inactivation MethodsPhase Equilibria and ThermodynamicsPostharvest Quality and Shelf Life Management

Supercritical carbon dioxide technology: A promising technique for the non-thermal processing of freshly fruit and vegetable juices

Silva, Eric Keven, Meireles, M. Angela A., Saldaña, Marleny D.A.·2020·Trends in Food Science & Technology

Abstract

The new global trends for consuming natural products rich in bioactive compounds and health-promoter phytochemicals have increased the modern consumer's interest in fruit and vegetable juices. But, the current technologies based on thermal treatments reduce the nutritional value and degrade sensory attributes of these products in relation to the fresh-like juices.Supercritical carbon dioxide (SC–CO₂) technology has emerged as a potential non-thermal technology for the inactivation of spoilage and pathogenic microorganisms and endogenous enzymes responsible for the deterioration of fruit and vegetable juices. Likewise, non-thermal SC-CO₂ processing can preserve the compounds associated with beneficial health effects besides maintaining sensory attributes. Thus, the effects of the SC-CO₂ technology on the microbial and enzymatic inactivation, nutritional compounds, physicochemical properties, sensory attributes and shelf-life of the fruit and vegetable juices are discussed.SC-CO₂ technology is a promising technique for the processing of fresh fruit and vegetable juices in a non-thermal way. SC-CO₂ processing is able to inactivate microbial and enzymatic load of plant-based juices in the temperature range of 35–55 °C and pressure range of 10–60 MPa. SC-CO₂ treated juices are sensorially similar to the fresh-like products with their nutritional value and physicochemical characteristics very close to the unprocessed juices. Under cold storage conditions, the juices stabilized by SC-CO₂ treatment achieved a microbial shelf-life of at least 20 days with quality attributes of freshly juice, depending on their processing parameters and type of juice. However, additional studies are required to perform process optimization, exploring the synergism among its main variables in the same way that economic viability studies are needed.

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Crossref · 10.1016/j.tifs.2020.01.025

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Authors
Silva, E. K., Meireles, M. A. A., & Saldaña, M. D. A.
Affiliations
  • University of Alberta (CA)
  • Universidade Estadual de Campinas (UNICAMP) (BR)
Corresponding author
Saldaña, Marleny D.A.
Venue
Trends in Food Science & Technology
Publisher
Elsevier BV
Published
2020-03
Volume
97
Pages
381-390
ISSN
0924-2244 (ISSN-L)
OpenAlex
W3001366936
Cited by
104
References
99
Citations by year
2026: 10 · 2025: 9 · 2024: 23 · 2023: 21 · 2022: 25 · 2021: 11 · 2020: 5
FWCI
8.02
Type
journal article
Language
en
Open access
closed
Locations
Trends in Food Science & Technology (publishedVersion)
Funders
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (302423/2015\u20130)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (2018/14550\u20136)
  • University of Alberta
  • Natural Sciences and Engineering Research Council of Canada (04371\u20132019)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
  • Physical Sciences › Engineering › Biomedical Engineering › Phase Equilibria and Thermodynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Postharvest Quality and Shelf Life Management
Keywords
supercritical carbon dioxide, fruit and vegetable juices, non-thermal processing, microbial inactivation, enzyme inactivation, shelf life extension, sensory properties, nutritional value, bioactive compounds, cold storage, juice stabilization

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