Questions about the chemical composition or properties of ingredients and dishes.

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Storing Transglutaminase once opened

I have a sealed packet of Transglutaminase/Activa powder. However its much more than I need for this recipe. I know it deactivates quickly after being exposed to air. Whats the best way to store it ...
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What is the optimal concentration of sugar for baker's yeast?

I'd like to do an experiment on what concentration of sugar would be best for fastest yeast fermentation. I'm thinking to put some active dry yeast into different concentrations of sugar water and ...
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Adjusting protien pH before cooking

Cooks Illustrated has a recipe for Sichuan pork where pork tenderloin is marinated for 15 mins in a baking soda solution (1t NaHCO3/ 8T H2O) and then rinsed before cooking. The goal being to raise ...