CA storage - controlled atmosphere storage

Japanese: CA貯蔵 - シーエーちょぞう（英語表記）controlled atmosphere storage

A method of preserving fruits and vegetables. It reduces the oxygen in the air inside the storage unit, increases the carbon dioxide, and lowers the temperature. This method inhibits respiration and prevents the loss of sugar and acid in fruits and vegetables, so they retain their freshness for a much longer period than regular refrigeration. It was first researched and put into practical use as a method of preserving apples, and has since been used for pears, persimmons, and other fruits, and research is ongoing for other foods.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

果実や野菜の貯蔵法の一種。庫内空気中の酸素を減らして二酸化炭素をふやし，かつ温度を低くする貯蔵法で，呼吸作用を抑制して青果物に含まれる糖や酸の消耗を防止するので，普通の冷蔵に比べて鮮度の保持期間が大幅に延長される。りんごの貯蔵法として研究・実用化され，その後ナシ，洋ナシ，カキなどにも利用されており，他の食品についても研究が進められている。

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