Phytochemical, Pharmacognostic and Pharmacological Studies on Zingiber Officinale

Abstract

Rhizomes of Zingiber officinale Roscoe. belonging to the family Zingiberaceae is used for bronchitis, as a carminative, for treating cough, cataracts and as a stimulant. The rhizome is cooked with salt and water and used as an expectorant. Extract of the juice of rhizome is used as eye-drops. In Yemen, it is mixed with other plants used for constipation, as a purgative, against colds, catarrh and acidity of the stomach. Root ginger is widely used for culinary purposes and as a spice. The rhizomes (imported from India) are used with cinnamon and cloves and made into a tea for treating colds and as a general tonic. The drink is also used as an aphrodisiac (Gazanfar, 1994). Ginger is useful in piles, rheumatism, headache, lumbago, pains, bleeding, chest congestion, cholera, cold, diarrhea, dropsy, nausea, stomachache, gastrointestinal disorders, vomiting, and diarrhea. The fresh juice of ginger acts as a strong diuretic. The juice of the leaves is effective against helminthiasis and marasmus and related conditions of diarrhea and dysentery (Monograph of Unani Medicine,2003).