In the cultivation of apples, Japanese pears, peaches, loquats, and other fruits, the fruit is covered with bags made from newspaper or paper to protect the fruit from pests and diseases and to maintain a beautiful appearance. In fruits such as red apples and peaches, as they approach ripening, the chlorophyll breaks down and a red pigment called anthocyanin is produced instead. However, because light is required for the production of anthocyanin, in order to color them red, the bags must be removed and the fruit exposed to light 10 to 40 days before harvest for apples and 3 to 10 days for peaches. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
リンゴ,ニホンナシ,モモ,ビワなどの栽培で,果実を病虫害から守り,外観を美しく保つために,新聞紙やハトロン紙で作った袋で果実を被覆すること。リンゴの赤色品種やモモなどの果実は,成熟期が近づくと,葉緑素が分解し,代りにアントシアニンという赤色の色素を生成する。ところが,アントシアニンの生成には光が必要なので,赤く着色させるためには,リンゴでは収穫の10~40日前,モモでは収穫の3~10日前に袋を取り除いて光にあてなければならない。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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