Translation of plasma technology from the lab to the food industry

Cullen, Patrick J.; Lalor, James; Scally, Laurence; Boehm, Daniela; Milosavljević, Vladimir; Bourke, Paula; Keener, Kevin M.

doi:10.1002/ppap.201700085

Cited by 144 publications

(94 citation statements)

References 52 publications

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“…Furthermore, DBD plasma is very suitable for in‐package inactivation of fresh produce; the reactive oxygen species (ROS) and reactive nitrogen species (RNS) can be generated directly inside sealed packages (Misra, Keener, Bourke, Mosnier, & Cullen, ), which eliminates the risk of postprocess contamination, whereas for the inducer gases, argon and helium as well as nitrogen are the common carrier gases, which were employed for surface modification. However, studies show that inducer gases with the addition of oxygen can improve plasma efficiency of food disinfection (Cullen et al., ). In addition, air and modified packaging gas are also adopted as common plasma gas sources.…”

Section: Fundamentals Of Nonthermal or Cold Plasmamentioning

confidence: 99%

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Pan

Cheng

Sun

2019

Comp Rev Food Sci Food Safe

158

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Fresh produce, like fruits and vegetables, are important sources of nutrients and health‐promoting compounds. However, incidences of foodborne outbreaks associated with fresh produce often occur; it is thus important to develop and expand decay‐control technologies that can not only maintain the quality but can also control the biological hazards in postharvest, processing, and storage to extend their shelf life. It is under such a situation that plasma‐mediated treatments have been developed as a novel nonthermal processing tool, offering many advantages and attracting much interest from researchers and the food industry. This review summarizes recent developments of cold plasma technology and associated activated water for shelf life extension of fresh produce. An overview of plasma generation and its physical–chemical properties as well as methods for improving plasma efficiency are first presented. Details of using the technology as a nonthermal agent in inhibiting spoilage and pathogenic microorganisms, inactivating enzymes, and modifying the barrier properties or imparting specific functionalities of packaging materials to extend shelf life of food produce are then reviewed, and the effects of cold plasma‐mediated treatment on microstructure and quality attributes of fresh produce are discussed. Future prospects and research gaps of cold plasma are finally elucidated. The review shows that atmospheric plasma‐mediated treatments in various gas mixtures can significantly inhibit microorganisms, inactive enzyme, and modify packaging materials, leading to shelf life extension of fresh produce. The quality attributes of treated produce are not compromised but improved. Therefore, plasma‐mediated treatment has great potential and values for its application in the food industry.

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Section: Fundamentals Of Nonthermal or Cold Plasmamentioning

confidence: 99%

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Pan

Cheng

Sun

2019

Comp Rev Food Sci Food Safe

158

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“…Significantly, the key species and chemical pathways should be easier to measure, control, and reproduce for industry, as only metastables will be presented in PAW treatment (no electric filed, UV, etc.) . Long‐lived reactive oxygen species (ROS) and reactive nitrogen species (RNS) generated in PAW, like hydrogen peroxide (H 2 O 2 ), nitrate (

N {normalO}_{3}^{-}

) and nitrite (

N {normalO}_{2}^{-}

), should be responsible for physiological roles in biology.…”

Section: Introductionmentioning

confidence: 99%

Controlling of reactive species in atmospheric Ar bubble discharge by adding N₂/O₂^a

Zhou

Wang

Yang

et al. 2018

Plasma Processes & Polymers

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An underwater Ar bubble discharge is excited by nanosecond pulsed power, and the effects of adding N2/O2 in Ar discharge on products are investigated. This work focus on regulating species concentration in plasma activated water (PAW), and then seeking specific concentrations for future application. The optical emission spectra (OES) and colorimetric chemical probes are used to diagnose and measure active species in plasma region or liquid phase. The H2O2 energy yield with Ar bubble can be up to 3.04 g kWh−1. The emission intensity characteristics of Ar (4p‐4s), OH (A‐X), Hα, and O (3p‐3s) in plasma region, and the concentrations of H2O2, NnormalO3−, and NnormalO2− in liquid are investigated with adding varying N2/O2 proportion in Ar bubble discharge.

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“…Recently, interest in NTP has gradually transformed from basic research into practical use. Among others, several recent and current review papers have been devoted to food industry or to medical applications . NTP sources have been reviewed, and it has been shown that the mechanisms of NTP's interaction with living cells and tissues are mediated mainly by reactive oxygen and nitrogen species (see or for a review).…”

Section: Introductionmentioning

confidence: 99%

Prevention of biofilm re‐development on Ti‐6Al‐4V alloy by cometary discharge with a metallic grid

Vaňková

Válková

Kašparová

et al. 2018

Contributions to Plasma Physics

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The influence of a non-thermal plasma (NTP) on the gram-negative bacteria Escherichia coli and Pseudomonas aeruginosa, the gram-positive bacterium Staphylococcus epidermidis, and the yeast Candida albicans grown on agar or in the biofilm form was compared. NTP was produced by a DC cometary discharge. The biofilms were grown on the surface of Ti-6Al-4V alloy often used in the manufacture of prosthetic implants. The exposure by NTP not only inhibited the surface growth of microorganisms in agar cultures but also significantly suppressed the viability of bacteria and yeast in biofilms and prevented its re-developed from persistent cells remaining in the lower layers of the biofilm. An almost complete prevention of biofilm re-development was achieved in the case of S. epidermidis; other microorganisms displayed substantial lowering of biofilm biomass and its metabolic activity. KEYWORDSbiofilm re-development prevention, cometary discharge, non-thermal plasma, prosthetic implants, Ti-6Al-4V alloy 1

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Translation of plasma technology from the lab to the food industry

Cited by 144 publications

References 52 publications

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Controlling of reactive species in atmospheric Ar bubble discharge by adding N₂/O₂^a

Prevention of biofilm re‐development on Ti‐6Al‐4V alloy by cometary discharge with a metallic grid

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Translation of plasma technology from the lab to the food industry

Cited by 144 publications

References 52 publications

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Cold Plasma‐Mediated Treatments for Shelf Life Extension of Fresh Produce: A Review of Recent Research Developments

Controlling of reactive species in atmospheric Ar bubble discharge by adding N2/O2a

Prevention of biofilm re‐development on Ti‐6Al‐4V alloy by cometary discharge with a metallic grid

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Product

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Controlling of reactive species in atmospheric Ar bubble discharge by adding N₂/O₂^a