Chinese herbal medicine powder coated plastic wrap

This method of preserving the paper is to grind the powdered Chinese herbal medicine onto the paper and coat it with oxidized starch to prepare a preservative paper package. Its preparation process is to uniformly mix the weight of the Chinese herbal powder (g) and the volume of the oxidized starch solution (ml) in a certain proportion, and then evenly apply it on the common packaging paper to form a continuous uniform Chinese herbal powder coating layer, and then form a The paper dryer is dried at 60-80°C. Taking the packaging of pear samples as an example, a comparison was made with ordinary wrapping paper. It was found that the fresh-keeping paper made by this method had a better preservation effect and prevented the decay of the samples. After the sample was placed for 15 days, its appearance was as good as it was and it had a fresh luster; when the storage time was increased to 25 d, the sample could maintain a good freshness and the epidermis was shiny; after the sample was placed for 35 days, it still maintained a normal freshness and the epidermis was still shiny. . It can be seen that the fresh-keeping paper produced by this method has better preservation effect.