Putting too much yeast powder will cause the food to become sour.

Yeast is completed through the biological process of yeast fermentation. It is an edible, nutrient-rich single-cell microorganism that contains rich proteins, carbohydrates, lipids, vitamins, minerals and Enzymes and other nutrients, yeast can also protect the liver and improve human immunity. Therefore, adding too much yeast when making things will not affect human health, but will cause the food to become more sour.