Why does toast not feel like toast after being out uneaten for a couple of hours?

1.68K views

It just gets hard and chewy. Same thing happens if I make a toasted sandwich and wrap it up in foil, I get it out at lunch and it’s just a hard chewy sandwich rather than crispy and toasty?

In: Chemistry

3 Answers

Anonymous 0 Comments

The starch molecules crystalize after the they expel water molecules. Toasting speeds this up. The chemical process is called syneresis. If you’d like more info, google “bread syneresis”.

You are viewing 1 out of 3 answers, click here to view all answers.