Yeast is essentially a microorganism found in nature. This is the answer to the question of what is yeast in one sentence! When called microorganism, a harmful creature sometimes comes to life in the mind, but contrary to the belief, not all microorganisms are harmful. Some are useful in many ways. Yeast's metabolic properties distinguish it from other microorganisms and make it usable in food production. Yeast is a single-celled creature that is too small to be seen. When favorable conditions are provided, it reproduces and develops by budding.
The question of what is yeast is a question that comes to mind frequently. The reason for this is that yeast is used in the food industry, it is included in many products we make or eat. It is used in baked and packaged products produced with cereals. Bread, cake, pastry, cookies, bagels, pizza dough, ready biscuits and crackers contain yeast. However, the use of yeast is not limited to these. There is also yeast in soy sauce, vinegar, salad dressings, pickle varieties, ketchup and mustard that are used to sweeten the dishes. In addition, yeast is frequently encountered in the content of beverages. There are also some dairy products where yeast is found naturally. Some examples of yogurt, kefir and some immature cheeses are examples.