Powdered starches are a type of starch that has been ground into a fine powder. They are used as thickeners in sauces, gravies, and puddings, and can also be used to coat foods before frying. SAGOS is a type of powdered starch made from tapioca, which is derived from the cassava root. It is a popular ingredient in many Latin American dishes, and is known for its ability to absorb large amounts of liquid.