Dried ginger powder will be fine off whitish powder which has a strong aroma and slightly pungent flavour. Dried Ginger powder is an effective cure for indigestion, sore throat, cold and cough. Ginger's therapeutic properties help stimulate blood circulation, cleanse the bowels and kidneys, remove toxins from the body and nourish the skin. It is used in the treatment of asthma and other respiratory problems.