Flour is a food product obtained by molding grains of cereals, such as wheat, corn, barley and oats. It is commonly used in the preparation of many foods, such as bread, pasta, cakes and cookies. There are several types of flour available on the market, each with its own characteristics and uses. Wheat flour is most commonly used and can be purchased in different forms, such as all -use flour, complete wheat flour and refined wheat flour. Corn flour is also popular and is often used in the preparation of nachos, tortillas and cookies. Flour is rich in protein, dietary fiber and nutrients such as iron, zinc and B vitamins. It is also a source of complex carbohydrates and minerals, such as calcium and potassium. Due to its high fiber and protein content, flour is considered a healthy and nutritious diet.