Cheeseburger Chemistry: The Bun

This Chemistry Now episode, the third in a 6-part "Cheeseburger Chemistry" series, uses bread-making to illustrate and explain how yeast works to convert starches and sugars in flour to CO2 gas (fermentation); effects of heat on gas; and gluten protein structures.

Provided by the National Science Foundation & NBC Learn

Runtime: 4:53

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