Ginger is a rhizome of the ginger plant. . Ginger derive its name from Sanskrit word stringa-vera which means "with a body like a horn"., It is cultivated throughout the world for local culinary needs. But the countries which have excess, process it is dried form and export. The major producers of dry ginger are India, China, Nigeria, Jamaica, Dry ginger yields 1 to 2 % oil and 5 to 6% oleoresin when extracted with organic solvent. The oil content of the ginger is responsible for its fragrance. The hotness of ginger is caused by gingerols which consists of true gingerols, shogaols, zingerone and paradols.The latter compounds are mainly formed from true gingerols during processing and heat treatment. Ginger has peppery flavor and is slightly sweet having pungent and spicy aroma.
