Excerpt:
Stable carbon isotope ratio analysis of honey for the undeclared presence of cane and/or corn sugars has been available for twenty years. Its use with domestic and imported honeys is reviewed. Six years of data from the internal standard isotope ratio method (ISCIRA) support its worldwide validity for honey analysis. The ISCIRA database of pure honeys has been increased from 64 U. S. samples to 224 by the addition of data from Germany, Great Britain, Mexico, Italy, and Spain
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