A freshness indicator for monitoring chicken-breast spoilage using a Tyvek ® sheet and RGB color analysis

Kaeun Lee, Seunghye Baek, Dowan Kim, Jongchul Seo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, a simple, inexpensive, and high-confidence freshness indicator was developed to detect chicken-breast spoilage using a pH-sensitive dye, bromocresol green (BCG); color changes in the freshness indicator were analyzed using RGB digital images. The indicator consisted of a three-layered structure, using a Tyvek ® sheet with high gas and vapor permeability as the inner layer, BCG-immobilized with the binding polymer as the color-changing layer, and a low-density polyethylene film as the outer layer. Color changes in the indicator were correlated with CO 2 and total volatile basic nitrogen contents and bacterial growth in the chicken breast, which were quantified using digital images captured on a smartphone. When the indicator turned yellow from green, it indicated spoilage; further, a large difference was observed in the RGB values. The proposed freshness indicator with no dye migration is highly feasible, safe, and reliable for the real-time monitoring of quality changes in chicken breasts. Digital image processing via a smartphone makes it a simple and accurate method, allowing consumers to judge food quality easily and reliably.

Original languageEnglish
Pages (from-to)40-46
Number of pages7
JournalFood Packaging and Shelf Life
Volume19
DOIs
Publication statusPublished - 2019 Mar 1

Fingerprint

Spoilage
freshness
digital images
Bromcresol Green
spoilage
breasts
Chickens
Breast
Color
Smartphones
chickens
dyes
Monitoring
color
monitoring
Coloring Agents
Dyes
Food Quality
polyethylene film
Low density polyethylenes

All Science Journal Classification (ASJC) codes

  • Food Science
  • Biomaterials
  • Safety, Risk, Reliability and Quality
  • Polymers and Plastics
  • Microbiology (medical)

Cite this

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abstract = "In this study, a simple, inexpensive, and high-confidence freshness indicator was developed to detect chicken-breast spoilage using a pH-sensitive dye, bromocresol green (BCG); color changes in the freshness indicator were analyzed using RGB digital images. The indicator consisted of a three-layered structure, using a Tyvek {\circledR} sheet with high gas and vapor permeability as the inner layer, BCG-immobilized with the binding polymer as the color-changing layer, and a low-density polyethylene film as the outer layer. Color changes in the indicator were correlated with CO 2 and total volatile basic nitrogen contents and bacterial growth in the chicken breast, which were quantified using digital images captured on a smartphone. When the indicator turned yellow from green, it indicated spoilage; further, a large difference was observed in the RGB values. The proposed freshness indicator with no dye migration is highly feasible, safe, and reliable for the real-time monitoring of quality changes in chicken breasts. Digital image processing via a smartphone makes it a simple and accurate method, allowing consumers to judge food quality easily and reliably.",
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A freshness indicator for monitoring chicken-breast spoilage using a Tyvek ® sheet and RGB color analysis . / Lee, Kaeun; Baek, Seunghye; Kim, Dowan; Seo, Jongchul.

In: Food Packaging and Shelf Life, Vol. 19, 01.03.2019, p. 40-46.

Research output: Contribution to journalArticle

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