web December 3, 2008 By examining the DNA of cacao trees, Agricultural Research Service (ARS) scientists and colleagues from confectionery giant Mars, Inc., have traced the genetic roots of the key ingredient in chocolate. Cocoa comes from the Theobroma cacao tree, which forms the basis of a multibillion-dollar U.S. chocolate industry. The seeds are processed into cocoa beans that are the source of cocoa,...
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