Thermochromic inks will help reduce food waste

According to the latest research conducted by Smithers Pira, thermochromic inks help reduce food waste and help save £ 680 a year for every British family. At the same time, it can also reduce the amount of landfills and mitigate environmental changes.

This ink can accurately assess the freshness of food, thereby changing the habit of selling and using food according to the shelf life. Therefore, it can effectively prevent people from throwing out products that have expired but are still edible.

It is understood that Smithers Pineau conducted a survey of six thermochromic ink manufacturers, six temperature indicator technology suppliers, three packaging manufacturers and five major food retailers and manufacturers. The inks they choose are those that can cause color changes when the temperature is too high or too low or are more sensitive to human body temperature. Once these inks change color, you can warn consumers that they will no longer consume food that has deteriorated.

Thermochromic ink is currently widely used in promotional activities, it can show the best eating temperature of a pizza, or whether a bottle of beer has been chilled to the optimal drinking temperature recommended by the manufacturer. However, due to their high price, low sales volume, difficult production, and high raw material prices, they have hardly been used in other fields. In addition, this ink also has problems such as easy transfer, so it can only be used on glass and other non-permeable containers.

Nevertheless, this is not some insurmountable difficulties. Reversible thermochromic inks can provide consumers with "real-time information" about the temperature of a product at the time. For example, when a product is taken out of the refrigerator, the temperature it displays will start to rise. Therefore, thermochromic inks can reduce household waste of food and beverages by warning consumers when storage temperatures are inappropriate. Consumers should conduct a test with food retailers and suppliers to see if the use of thermochromic inks on packaging or labels can help change consumer habits and reduce unnecessary food waste at home.

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