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Qihao Chen mark this message contains true information
originally written by Qihao Chen
如果香蕉表皮上的黑点太多了,表明香蕉已经熟过头了,已经渗进果肉了,里面的肉是黑色的,这时候香蕉已经严重腐烂,不能再吃了。

香蕉为什么会长黑斑? 因为香蕉皮含有一种氧化碳素,香蕉皮一旦被破坏了,香蕉皮的氧化碳素就会和空气中的氧气发生氧化作用,这就导致香蕉皮开始长黑斑,然后慢慢的侵蚀到果肉里面。

References

https://www.qiaokou.gov.cn/xxgk/jbxxgk/qtzdgkwj/jghsf/xfjs/201812/t20181206_128081.shtml#:~:text=如果香蕉表皮上的,的侵蚀到果肉里面%E3%80%82

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