In Troy, Mississippi, USA, it has been packaged in a conventional packaging bag with a layer of fresh plastic film. The film contains a chemical substance known as Amosorp, which eliminates the oxygen in the bag. After repeated experiments for a long time, it shows that the food stored in the new bag can achieve long-term preservation. Australian Wayne Handels Company uses the method of filling mixed chemicals into plastic bags, but does not remove oxygen, but eliminates the gas in the bags that promotes fruit ripening and deterioration, so that the fruits can be kept fresh for a long time.
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