Sulphide off-flavour removal Even though already at the end of the 19th century, sulphide off-flavours in wine were described for the first time, the development and above all, the prevention of sulphide off-flavours is still not yet finally cleared up today. The removal of sulphide off-flavours (which include hydrogen sulphide, mercaptan off-flavours and others), without greater quality losses, causes problems for the wine-maker every year anew. Kupzit is a product innovation to remove sulphide off-flavours very well without a metal flavour remaining in the wine. In most cases, a subsequent blue fining is not necessary. At present, Kupzit undergoes large-scale trialling in Austria. It is approved in Switzerland, New Zealand, Australia. In the EU, Kupzit is in an advanced stage of approval. Kupfat Copper sulphate specially selected for wine treatment. For the elimination of sulphide off-flavour, good solubility during application.   Kupzit® A newly developed copper citrate preparation for the treatment of sulphide off-flavours in wine and fruit wine and other fermentation products.   © Erbslöh Geisenheim AG