Biological source: It consist of bulbs of the plant Allium sativum, Family: Liliaceae
Chemical constituents: Garlic bulbs contain 29%carbohydrates, 56%proteins (albumin), fat, mucilage and volatile oil. It also contains phosphorous, iron, and copper. Volatile oil of the drug is the chief active constituent, and contain allyl propyl disulphide, diallyl disulphide, alliin and allicin. Alliin by the action of enzyme allinylase, is converted into allicin.
Uses: Garlic is used as carminative, aphrodiasiac, expectorant, stimulant, and disinfectant in the treatment of pulmonary condition. Use as condiment. Oil of garlic is used as anthelmintic and rubifacient. Allicin is antibacterial. Garlic oil is useful in high blood pressure and atherosclerosis. It is reported to possess cholesterol suppressing properties.