Unsuitable gas composition . especially higher CO_2 concentration , caused the flesh browning of Fuji apples during storage, low O_2 concentration aggravated the severity of flesh browing .

• 不适宜的气体成分,尤其是高浓度的CO_2使富士苹果发生果肉褐变,低浓度O_2加剧富士苹果CO_2伤害程度;