Research and Scientific dataLooking
after the liver by drinking kombucha
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Professor Dr.Saisamorn LumyongFaculty of Science, Chiangmai University.Kombucha is a refreshing beverage with a slightly sour taste, obtained by the fermentation of probiotic microorganisms. Kombucha was originated in china over 2000 years ago and is becoming popular in the western world. The main compositions include acetic acid, lactic acid, gluconic acid, glucuronic acid as well as D-saccharic acid-1,4-lactone (DSL). Glucuronic acid and DSL are the crucial substances involved in liver detoxification. Kombucha also contains antioxidants such as phenolic compounds including theflavins and therubigins in higher concentration than tea which lead to a stronger antioxidant activity. Furthermore, kombucha exerts antimicrobial activity against a range of pathogenic bacteria and possible cancer preventive activity. Associate Professor Dr.Panee Sirisa-ardFaculty of Pharmacy, Chiangmai University.One of the most important function of the liver is the removal of toxins from the body. Toxic substances which enter the body may be conjugated with glucuronic acid by the process called glucuronidation forming glucuronide complex in the liver. The complex formed is less toxic or nontoxic, it will be secreted via the bile duct to the large intestine and eliminated in the faeces. The glucuronide complex may be hydrolysed by the enzyme β-glucuronidase produced from the bacteria called Escherichia coli in the large intestine and release the toxin. The toxin or carcinogen will be absorbed to the colonic mucosa. Scientific data also showed that there may be relationship between the intestinal bacterial β-glucuronidase activity and colon cancer. D-saccharic acid-1,4-lactone (DSL) can inhibit β-glucuronidase activity and thus may reduce the risk of colon cancer. Kombucha contains various organic acids as well as glucuronic acid and DSL. Therefore, drinking kombucha may increase the efficiency of the liver to remove toxins and carcinogens from the body. Associate Professor Dr.Surapol NatakankitkulFaculty of Pharmacy, Chiangmai University.D-saccharic acid-1,4-lactone (DSL), a component of kombucha, inhibits the activity of glucuronidase, known as an enzyme indirectly related with cancer preventive activity. When toxins or carcinogens enter the body they may react with glucuronic acid in the liver forming glucuronide complex, passing to the large intestine and be eliminated from the body in the faeces. The complex formed may be hydrolysed by the enzyme β-glucuronidase in the large intestine and release the toxin. The toxin or carcinogen will be reabsorbed to the body. DSL inhibits the enzyme activity, preventing the release of the toxins and thus facilitate the liver to expel the toxins. Chatchai KitipornchaiFaculty of Science, Chiangmai University.Kombucha or fermented tea was originated and consumed in China thousands of years ago. It is a refreshing beverage which becoming popular in many parts of the world. It is believed to have prophylactic as well as therapeutic benefits and have been used as alternative medicine in China and Eastern Europe for curing a wide variety of ailments such as intestinal disorders, constipation, lowering cholesterol, blood pressure and inflammation, reducing migraine and fatigue. It also helps liver function and detoxification. Although there are claims of various curative effects of kombucha by many users, there is also numerous scientific literature available pointing out the benefits of kombucha. References
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