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Fav十万个为什么
柑橘皮为什么会发黑？
柑橘皮发黑主要是由于强光照射、病害侵袭、机械损伤以及低温伤害等原因造成的，具体如下：
1、强光照射：柑橘在强光照射下，果皮表面的温度会升高，导致果皮细胞受损，进而出现发黑的现象。
2、病害侵袭：一些真菌、细菌等病原体侵袭柑橘果实时，会在果皮上形成病斑，导致果皮发黑。如炭疽病、黑腐病等。
3、机械损伤：在采摘、运输等过程中，柑橘可能会受到挤压、碰撞等机械损伤，导致果皮细胞破裂，进而发黑。
4、低温伤害：柑橘在低温环境下，果皮细胞会受到影响，导致细胞膜破裂，细胞内的物质外渗，果皮出现水渍状斑点，随后逐渐发黑。
总结：柑橘皮发黑主要是由于强光照射、病害侵袭、机械损伤以及低温伤害等原因造成的。
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