Experiments

Easy Purple Cabbage pH Experiment: How acidic is mustard?

Is mustard acidic? The answer is yes, and understanding why has a lot to do with food chemistry. In this post I explain how the spicy taste of mustard works, what role vinegar plays in its acidity and how all this influences its preservation. In addition, I show you step by step how to do a homemade experiment with your children using a pH indicator made with purple cabbage. A simple, fun and educational activity to see in a practical way how acidic mustard is... and other ingredients in your kitchen!