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KMID : 0380620110430050641
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Korean Journal of Food Science and Technology
2011 Volume.43 No. 5 p.641 ~ p.647
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Evaluation of Cytotoxic Properties of Tea Polyphenols in Intestinal Cells Treated with Over-the-counter Drugs
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Choi Hyun-A
Kim Mi-Ri
Hong Jung-Il
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Abstract
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Polyphenols in green tea are biologically active and may interact with commonly-consumed over-the-counter (OTC) drugs in the body. In this study, modulation of cytotoxicity of polyphenon 60 (PPE, tea polyphenol mixture) with co-treatment of several OTC drugs, including ibuprofen (Ibu), acetaminophen (AAP), and aspirin was investigated in intestinal cells. PPE showed more potent cytotoxic effects on colon cancer HCT 116 cells than on normal intestinal INT 407 cells. Ibu had the strongest cytotoxic effects on both cell types. Cytotoxicity of PPE on HCT 116 and INT 407 cells was not markedly altered by co-treated OTC drugs. Cytotoxicity of the OTC drugs was not affected by PPE. When HCT 116 cells were incubated with AAP before or after PPE treatment, cytotoxicity was slightly enhanced more than their additive effect. The present study may provide basic information of possible toxicity due to interaction of the polyphenols and the OTC drugs.
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KEYWORD
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green tea, polyphenol, cytotoxicity, intestinal cell, over-the-counter drug
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