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Seongyoung Kwon,Seonghyuk Ko 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Intelligent packaging is a smart system that can monitor the product quality directly or environment change around the packaging during transportation and distribution to provide relevant information to consumers for the safety. In this study, a printable freshness indicator was well-designed and fabricated with the modification of CNC-AgNP solution prepared by hydrothermal green synthesis. The paper indicator printed with as-prepared CNC-AgNPs composited ink was successfully prepared using an inkjet printer and evaluated its colorimetric indicating capability with the chicken breast at room temperature. As a result, the indicator sensitively reacted with the spoilage gas leading to color change, which is attributed to the surface chemical reaction of AgNP with hydrogen sulfide (H₂S) caused by chicken breast deterioration. The printed freshness indicator obtained in current study was proven to be utilized effectively in intelligent packaging for all fresh foods that cause H₂S during the quality decay.
A Short Review of Light Barrier Materials for Food and Beverage Packaging
Seongyoung Kwon,Aungkana Orsuwan,Nattinee Bumbudsanpharoke,윤찬석,Jungwook Choi,고성혁 한국포장학회 2018 한국포장학회지 Vol.24 No.3
Photo-oxidation is one of the main causes of food deterioration of great variety of foods, such as dairy products, nuts, meat products, and wine. It causes a loss of both nutritional value and sensorial quality of products and may even leads to the formation of toxic compounds. Active packaging for food and beverages has been investigated and developed with embedding light absorbers or blocking materials into the plastics. In recent years, several novel light barrier materials have been proposed as an alternative option for different applications. This article reviews the up-to-date technology in light absorber and blocking material with special emphasis on chemical compound and mechanism. Inorganic, organic, hybrid organic-inorganic, and natural light absorbers were scoped. The challenges and future perspectives of light barrier materials are also discussed.
A Short Review of Light Barrier Materials for Food and Beverage Packaging
Kwon, Seongyoung,Orsuwan, Aungkana,Bumbudsanpharoke, Nattinee,Yoon, ChanSuk,Choi, Jungwook,Ko, Seonghyuk Korea Society of Packaging Science and Technology 2018 한국포장학회지 Vol.24 No.3
Photo-oxidation is one of the main causes of food deterioration of great variety of foods, such as dairy products, nuts, meat products, and wine. It causes a loss of both nutritional value and sensorial quality of products and may even leads to the formation of toxic compounds. Active packaging for food and beverages has been investigated and developed with embedding light absorbers or blocking materials into the plastics. In recent years, several novel light barrier materials have been proposed as an alternative option for different applications. This article reviews the up-to-date technology in light absorber and blocking material with special emphasis on chemical compound and mechanism. Inorganic, organic, hybrid organic-inorganic, and natural light absorbers were scoped. The challenges and future perspectives of light barrier materials are also discussed.