The physio-biochemical changes in respiration rate, ethylene production, polyphenol oxidase(PPO) and enzymatic browning of fresh-cut apple(Malus pumila Mill) induced by wounding were investigated.

以鲜切苹果为实验材料，研究了切割伤害诱导呼吸强度、乙烯生成量、酶活性以及酶促褐变的发生及其生理生化变化。

youdao

Aloe Vera, like any fresh food, will start to spoil as soon as it is removed from its natural environment (just like apple will go brown once cut open).

就像任何的新鲜食物那样，当芦荟离开了它的自然状态后，就会开始变质。(就像苹果被切开后会变黄那样)。

youdao

Aloe Vera, like any fresh food, will start to spoil as soon as it is removed from its natural environment (just like apple will go brown once cut open).

就像任何的新鲜食物那样，当芦荟离开了它的自然状态后，就会开始变质。(就像苹果被切开后会变黄那样)。

youdao