"There's a lot of wine fraud around with people making up some crap in their garage, printing off labels and selling it for thousands of dollars," researcher Alexandre Pouget, a professor at the University of Geneva, told The Guardian.
"The first thing we saw, that jumped straight out at us, is there are clusters that correspond to a specific chateaux. That told us right away that there is a chemical signature specific to each chateau, independent of vintage," Pouget added.
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