AI Article Synopsis
- Scientists are making special edible films that change color to show if food is fresh or not.
- They used a mix of gelatin and HPMC with a plant color called betalain from red beets to create these films.
- The best mixture worked really well at keeping moisture out and was strong enough, plus it helps detect when meat and shrimp spoil.
Article Abstract
Edible films containing anthocyanin and betacyanin as indicators of freshness are promising systems for food smart packaging. This research aimed to develop a smart color film for food packaging using gelatin/hydroxypropylmethyl cellulose (HPMC) and red beet betalain. In this study, edible films with different ratios of gelatin to HPMC were prepared successfully, and the ratio of 3:1 was determined as optimal samples based on water vapor permeability (WVP) and mechanical properties. Betalain with different concentrations was then added to the optimal film, and the physical and mechanical properties of the resulting films were evaluated. Also, TVB-N test to assess their ability to detect beef meat and shrimp spoilage was studied. The addition of betalain improved the solubility, WVP, mechanical properties, and 2,2-diphenyl-l-picrylhydrazyl free radical scavenging activity of the film. As a final point, the incorporation of betalain into the gelatin/HPMC films can be used to indicate the freshness of food.
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| http://dx.doi.org/10.1177/10820132241266112 | DOI Listing |
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