American scientists from the University of Maryland have transformed seafood waste into a material that removes chemical pesticides and herbicides from food and extends its shelf life. The study was published in the scientific journal magazine Subject.
The new technology is designed to remove chemical residues by forming a microscopically thin layer of nanocrystals on processed foods.
Today, various methods are used to clean produce from pesticides and herbicides, from vinegar and soda to hydrogen peroxide and ozone, but these methods are either ineffective or ruin the taste and appearance of the food.
To solve the problem, the researchers developed a new type of porous material made of chitosan (found in large quantities in shellfish waste) and copper, which has antimicrobial properties, and sprayed a thin layer of it onto strawberries.
Experiments showed that the new substance effectively absorbs residual pesticides and is easily washed off, extending the shelf life of fruits.
Earlier scientists was created The pesticide is no more harmful than ordinary vegetable oil.
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Source: Gazeta
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