Reduction is one of the most common problems in winemaking. Hydrogen sulfide and other volatile sulfurcontaining compounds (VSC) are generally produced during alcoholic fermentation but can also develop during storage, ageing and post-bottling.
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During the winemaking process, wines can accumulate volatile sulfur compounds (VSCS). Typically referred to as “reduction”, volatile sulfur compounds are a class of sulfur based compounds which can lead to serious wine defects if not handled properly.
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