Enhancing seafood freshness monitoring: Integrating color change of a food-safe on-package colorimetric sensor with mathematical models, microbiological, and chemical analyses

Maryam Ameri, Abdellah Ajji, Samuel Kessler · 2024

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Description

Maryam Ameri, Abdellah Ajji, and Samuel Kessler tested a color changing label in 2024 that sits on fish packaging and shows freshness at a glance. Shoppers and sellers need a safe, cheap way to tell when fish has spoiled, without opening the pack.

The label uses a black rice dye in a food safe film, printed by a press like method, and it changes color as spoilage gases rise. Kept cold, the fish stayed fresh for four days in their tests, tracked by color readings, chemistry, and germ counts. A math model fed with the label's color data predicted the spoilage trend. The authors offer the label as a way to cut waste and protect quality.

Catalog record

CREATORMaryam Ameri, Abdellah Ajji, Samuel Kessler
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE58 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11663992

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