Chemistry Shines a Light on Wine Fraud

Chemistry Shines a Light on Wine Fraud
(Mark Peterman/AP Images for ALDI)

Australian wine scientists are testing the potential of molecular fingerprinting to quickly authenticate the provenance of wine and help crack down on the multi-million-dollar problem of wine fraud.

In trials, a team from the University of Adelaide was able to identify the geographical origin of Cabernet Sauvignon from three Australian regions and from Bordeaux in France with 100% accuracy using fluorescence spectroscopy, which analyses fluorescence of molecules.

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