Researchers find how rhubarb remedy eases cholera | Science News

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Researchers find how rhubarb remedy eases cholera

9:13pm, March 26, 2002

For centuries, Chinese and Japanese healers have used traditional medicines to combat the overwhelming diarrhea that comes with cholera. Researchers in Japan have identified a natural compound responsible for the effectiveness of one rhubarb-based remedy, a finding that could lead to even better pharmaceutical therapies.

The scientists tested a formulation called Daio-Kanzo-to. One chemical in the mixture, rhubarb galloyl-tannin, inhibits cholera toxin's effects on hamster cells in a test tube, the researchers found. The rhubarb compound binds to the toxin and apparently disables it, the researchers report in the March 5 issue of the Proceedings of the National Academy of Sciences.

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