No. As long as the apple stew is not sour apple stew out of the soup will not be sour, apple stew chicken soup if it is sweet and sour taste will be better. Fruit acids in the apple and chicken together with the sweet taste of stew, can promote the secretion of digestive juices, there is to promote the role of appetite, apple chicken soup contains zinc, iron, phosphorus, potassium and protein and other trace elements, you can replenish the body's nutritional needs.