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Asked by GiGi to Gonzalo, Yannis on 7 Nov 2017. This question was also asked by bob7057.
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Gonzalo Delgado-Pando answered on 7 Nov 2017:
Breads goes mouldy because there some little tiny bugs in the air called moulds that grow eating the bread. These moulds like mild temperatures and humidity, so it is hard for them to grow inside a fridge or even in a freezer. You can check it, cut three small pieces of bread and put one on the kitchen, other in the fridge and other in the freezer. You can check how long it takes them to get mouldy. The one in the freezer could last years!! Tell your parents if you want to do the experiment so they know why there is a piece of bread in the fridge, freezer and on the shelf. And don´t forget to throw them away when finished.
And other thing, even if moulds don´t grow as fast in the fridge as at room temperature it is better to keep the bread outside the fridge if you are going to eat it because when inside the fridge something called retrogradation (yes, I know, weird word) happens and affects some characteristics of the bread.
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Ioannis Zabetakis answered on 8 Nov 2017:
Bread, like milk and meat, is a good source of food for microbes! Microbes are everywhere (on the kitchen utensils, bench, air) and they can have access to bread…They love bread as it is full of nutrients for them! They grow fast and hence…mouldy bread!
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