White coating on a peach pit – what does it mean?

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You bite into a juicy, ripe peach—golden flesh, sweet aroma, summer in your mouth.
You jump out of the hole.
And here it is.
A white, fluffy, or cobweb-like patch of substance adhering to a crevice in a cavity.
Your brain freezes.
“Is that mold?”
“Did I just eat something unhealthy?”
“Should I call the doctor?” 
Take a breath.
Good news?
In most cases, this white substance is not dangerous—and it is not mold. 
Let’s take a closer look at what this disease is, when it’s safe, and when you should be careful.
🧪 What exactly is this white substance? It’s not mold (usually)
The white substance you see is most likely cotton wool leakage, a natural condition caused by a yeast-like fungus called Pichia membranifaciens.
But don’t panic.
This is not the same as mold on bread or rotting fruit.
This is a non-pathogenic yeast that sometimes grows in the moist crevices of peach pits—especially when peaches are stored in humid conditions or for too long.
Main features of Cottony Leak: 

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