Herbal substance: Ginger Root (Rhizome).

It is the peeled fresh or dried Rhizome of Zingiber officinale (family Zingiberaceae), it is native to southern Asia, cultivated in almost tropical and sub-tropical areas, for food spices, medicinal and cosmetic purposes. Ginger rhizomes contain essential oils, pungent principles, oleoresins, and phenoles such as gingerols and their related dehydration products shogaols.