Ginger of commerce is the dried underground stem of the herbaceous tropical plant grown as an annual. Fresh ginger, dry ginger powder, oleoresin and oil are used in food processing. It is indispensable in the manufacture of ginger bread, confectionary, ginger ale, curry powders, certain curried meats, table sauces, in pickling and in the manufacture of certain cordials, ginger cocktail, carbonate drinks, liquors etc.