How Does Bread Go Stale?
Thanks for that excellent question, reader Cindy! In fact the word “stale” is akin to “aged”, but in a good way. “Ripened” is more like what it means. We moderns, addicted as we are to perfectly fresh bread, would scarcely think of applying a world like that to a past-its-prime loaf. But the ancients (and not-so-ancients) did, mostly because they had no alternative. But what is staling exactly? Most people think of it as the “drying out” of bread, but that’s not the half of it. If it were, fresh bread kept in a tight sheath of plastic wrap would never go stale. I think we’ve all experimented with double and triple layers of Reynold’s Wrap long enough to know what a fool’s paradise that is. So what is it with bread that it starts to harden the moment it’s removed from the oven? It all has to do with the behavior of starch molecules. Surprised? Starch is made up of two base components, both of them long-chain sugars, also known as carbohydrates: amylose and amylopectin. Both are made up
