这是因为在引起人们过敏的白桦树花粉中找到的蛋白质和在苹果果肉中发现的很类似。
This is because the protein found in birch pollen to which people are allergic is very similar to proteins found in the flesh of apples.
水果沙拉一般也是提前制作的，在苹果片上撒上柠檬汁，苹果果肉就不会变色。
Make the fruit salad hours in advance too. Just squeeze some lemon juice onto the apple slices, and they'll stay snowy white.
研究了海藻酸钠涂膜对金冠苹果果肉硬度、呼吸强度、乙烯释放与膜脂过氧化的影响。
The influence of coating with sodium alginate on some physiological indices in Golden Delicious apple was studied.
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