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Japan developed anion food preservation machine
Japan Changyi Electric Co., Ltd. has developed an anion food preservation machine that uses negative oxygen ions and ozone generated from high-voltage negative electrostatic fields to achieve the purpose of preservation. Negative oxygen ions can effectively inhibit the enzyme activity in the metabolism of fruits and vegetables, and reduce the production of ethylene with ripening effect in fruits and vegetables. At the same time, ozone can effectively inhibit and delay the decomposition of organic matter. The shelf life of fruit and vegetables can be extended. The fruits and vegetables treated by this method were still fresh after 75 days, and the good rate was over 95%.