NEW ORLEANS, April 8 (UPI) -- U.S. scientists say they have found three clays with anti-microbials that fight the superbug methicillin-resistant Staphylococcus aureus.
Lynda Williams and Shelley Haydel of Arizona State University in Tempe tested more than 20 clay samples from around the world. Three clays that fight MRSA also attack a flesh-eating microbe -- mycobacterium ulcerans -- and two microbes that cause food poisoning -- E.coli and Salmonella, the researchers say.
The researchers are working to identify the specific compounds responsible for the anti-bacterial activity. The promising clays may be developed into a skin ointment or pill to fight a variety of bacterial infections or possibly as an agricultural wash to prevent food poisoning.
The researchers point out ordinary mud can contain dangerous bacteria, as well as toxic minerals such as arsenic and mercury so until the so-called healing clays are scientifically proven -- which could take years -- they suggest hand-washing and other proper hygiene techniques.
"Clays are little chemical drugstores in a packet," Williams said in a statement. "They contain literally hundreds of elements. Some of these compounds are beneficial but others aren't."
The findings were presented at the 235th national meeting of the American Chemical Society in New Orleans.
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