A polymeric chlorine dioxide self-releasing sheet to prolong postharvest life of cherry tomatoes

Kambiz Sadeghi, Gopinath Kasi, Phuntheera Ketsuk, Sarinthip Thanakkasaranee, Sher Bahadar Khan, Jongchul Seo

Research output: Contribution to journalArticle

Abstract

Chlorine dioxide (ClO2) as an effective sanitizer is widely used in postharvest handling. Because of its generation challenge such as equipment requirement for on-site production and ClO2 generator, application of ClO2 gas in retail is not currently feasible. In this study, a novel polymeric ClO2 self-releasing sheet was prepared using solution casting method. As such, sodium chlorite (NaClO2) can react with the citric acid in the polymer matrix in the presence of moisture. Poly (ether-block-amide) as the backbone of sheet was utilized to provide a hydrophilic system and generate of ClO2 gas. In addition, polyvinyl alcohol was used as a barrier layer to control the releasing level and increase the hydrophilicity. The new developed self-releasing sheet released sufficient ClO2 concentration to inactivate microbial growth and maintain the quality of cherry tomatoes during actual storage test. Overall, the self-releasing sheet containing lower content of NaClO2 exhibited better postharvest parameters. The new developed ClO2 self-releasing sheet is not just limited to postharvest handling and cherry tomatoes; it could also be used for wider applications such as medical sterilization or industrial sanitization.

Original languageEnglish
Article number111040
JournalPostharvest Biology and Technology
Volume161
DOIs
Publication statusPublished - 2020 Mar

Fingerprint

cherry tomatoes
chlorine dioxide
Lycopersicon esculentum
Gases
gases
chlorites
Polyvinyl Alcohol
polyvinyl alcohol
sanitizers
generators (equipment)
amides
Hydrophobic and Hydrophilic Interactions
Amides
Citric Acid
citric acid
Ether
microbial growth
ethers
polymers
Polymers

All Science Journal Classification (ASJC) codes

  • Food Science
  • Agronomy and Crop Science
  • Horticulture

Cite this

Sadeghi, Kambiz ; Kasi, Gopinath ; Ketsuk, Phuntheera ; Thanakkasaranee, Sarinthip ; Bahadar Khan, Sher ; Seo, Jongchul. / A polymeric chlorine dioxide self-releasing sheet to prolong postharvest life of cherry tomatoes. In: Postharvest Biology and Technology. 2020 ; Vol. 161.
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A polymeric chlorine dioxide self-releasing sheet to prolong postharvest life of cherry tomatoes. / Sadeghi, Kambiz; Kasi, Gopinath; Ketsuk, Phuntheera; Thanakkasaranee, Sarinthip; Bahadar Khan, Sher; Seo, Jongchul.

In: Postharvest Biology and Technology, Vol. 161, 111040, 03.2020.

Research output: Contribution to journalArticle

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