The star ingredient responsible for an airy, bubbly pizza crust is yeast. As cells that eat sugar and convert into carbon dioxide, yeast is what makes dough rise -- yet Italian scientists have discovered a way to make pizza dough without it.
Because of a severe yeast allergy, Italian materials scientist Ernesto Di Maio can't eat traditional pizza, which is a tough deck of cards to be dealt while living in the birthplace of that iconic dish. So he embarked on a journey to make a Neapolitan pizza dough that would rise without the help of yeast. The results of the culinary and physics experiment were published Tuesday in the journal Physics of Fluids.
Foaming polyurethane also requires a blowing agent, an initially liquid substance that aids the process. Mediterranean Pita Bread Pizza Knowing this, Di Maio thought to introduce that technique to baking, in a process that's also similar to the one used to make carbonate soda, according to a news release. The researchers placed a tiny yeast-free pizza dough no bigger than a penny in a hot autoclave.
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