February 2009 Issue of Wines & Vines
 
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New Methods to Limit Urea

Genetically enhanced yeasts reduce probable carcinogen

 
by Tim Patterson
 
Alternative text
The issues of urea and ethyl carbamate have been hovering over the wine industry like a little cloud for several years now. Urea, a minor byproduct of yeast metabolism, can combine with ethanol to form urethane--also known as ethyl carbamate or EC--a known carcin…
 

 
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