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Quantification of 3-deoxyglucosone (3DG) as an aging marker in natural and forc...

Oliveira, Carla M.; Santos, Sonia A. O.; Silvestre, Armando J. D.; Barros, Antonio S.; Ferreira, Antonio C. S.; Silva, Artur M. S.

The Maillard reaction product 3-deoxyglucosone (3DG) was quantified in wines, by high-performance liquid chromatography-mass spectrometry analysis after derivatization with ortho-phenylenediamine. Both sweet red Port wines and dry white wines were analysed during natural and forced aging. In natural aging, and for dry white wines, 3DG is negatively correlated to age (r=0.939), while for sweet red Port wines, 3D...


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