WorldStar Winner: Indicator packaging that can check level of ripening kimchi

WINNERS 2025

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Indicator packaging that can check level of ripening kimchi

Company:

CJ Cheiljedang, Packaging R&D Department

www.cj.co.kr/en/index

Country: South Korea

Category: Labeling and Decoration

Through this technology,
①The level of ripening of kimchi can be accurately checked through the reaction between carbon dioxide generated during fermentation and the developed ink.
②The amount of disposal can be minimized by delivering accurate taste information to consumers due to the specificity of Kimchi, which differs in taste & preference according to the level of ripening.
③It is a completely safe packaging technology because there is no direct contact between the indicator and the contents of the packaging by utilizing the diffusion phenomenon of carbon dioxide.

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Development of three color changible material for consumer convenience
①Implementation of an intuitive color system that changes to three colors as progress (Green ▶Yellow ▶Orange)
②Development of Kimchi customized materials in consideration of price/safety/discoloration range
③ Help consumers understand with clear color change
Development of non-contact reaction mechanism
① It was developed to enable measurement and color change without direct contact with the product by improving ink reactivity, suggesting a fundamental solution to the issue of dissolution/contamination through food contact.

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