Modern scientific researches prove that fruit vinegar has the following functions in preventing disease and preserving human health: 1. Fatigue elimination Vinegar contains rich organic acid, which can promote the glycometabolism of human body, and dissolve the fatigue substance like lactic acid and acetone muscle, etc, thus eliminating the fatigue. 2. Incidence reduction of liver disease Vinegar contains rich nutrition such as amino acid, acetic acid, etc, which can improve liver detoxification and metabolism. 3. Anti-ageing effect Vinegar can restrain and reduce the oxide formation in human body. 4. Softening blood-vessel, lowering blood fat, reducing cholesterol 5. Obesity prevention and treatment Vinegar can transfer the redundant fat in human body into physical agility for consumption and promote the metaboly of sugar and protein in human body, achieving the effect of losing weight. 6. Making you beautiful and your skin smooth When people get older, the peroxide lipid and lipofuscin (also called aged pigment) in human body are continually increasing (which signify the cell aging and hypofunction), thus preventing cells from functioning normally. The acetic acid, lactic acid, amino acids glycerin, and aldehydes compounds in the fruit vinegar can stimulate and soften human skin, dilate blood-vessel, increase blood circulation, and thus make the skin smooth. 7. Strong bactericidal activity The vinegar can kill staphylococcus and escherichia coli, thus achieving the effect of dysentery prevention. In addition, the fruit vinegar can sober up, protect liver, prevent being drunk, treat constipation, and reduce the content of urine sugar. Vinegar has outstanding effects of eliminating fatigue and enhancing appetite, for example, the traditional Chinese medicine proves that the vinegar can restrain sweating, eliminate dampness, and strengthen the bactericidal activity of succus gastricus. For the prevention and treatment of cardio-cerebral-vascular disease, the vinegar has the effect of softening vascular.