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Sulfite: Difference between revisions
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Sulfite (also known as SO<sub>2</sub> or sulfur dioxide) is used in both wine and beer for its anti-oxidant capability and its anti-microbial effects. Sulfite is also a natural product of yeast fermentation. Unfortunately misinformation about sulfite is rampant in common online sources and even books. | Sulfite (also known as SO<sub>2</sub> or sulfur dioxide) is used in both wine and beer for its anti-oxidant capability and its anti-microbial effects. Sulfite is also a natural product of yeast fermentation. Unfortunately misinformation about sulfite is rampant in common online sources and even books. | ||
Beyond being added to wine/must and beer/wort, sulfite also has other uses such as removing chlorine and chloramine from tap water, and as a sanitizer for equipment. The latter is not discussed in this article. See [[ | Beyond being added to wine/must and beer/wort, sulfite also has other uses such as removing chlorine and chloramine from tap water, and as a sanitizer for equipment. The latter is not discussed in this article. See [[Sanitation]] for information. | ||
Sulfite should not be confused with [[sulfate]] or [[hydrogen sulfide|sulfide]]. Sulfide and/or ethyl mercaptan are the sources of a sulfurous or burnt match aroma, NOT sulfite as is commonly mistaken.<ref>https://www.therealreview.com/2018/07/17/understanding-hydrogen-sulphide-and-sulphur-dioxide/</ref><ref>Williamson, B. [https://williamsonwines.com/recognizing-wine-flaws "Recognizing Wine Flaws."] Williamson Wines. Accessed online March 2020.</ref><ref>Mansfield, AK. [https://cpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/0/7265/files/2016/11/SulfurOffOdor-1vp1vm4.pdf "Kicking up a Stink: Treatment for Sulfur Off-Odors."] ''Cellar Dweller.'' Cornell University - NYSAES. April 2010.</ref> | Sulfite should not be confused with [[sulfate]] or [[hydrogen sulfide|sulfide]]. Sulfide and/or ethyl mercaptan are the sources of a sulfurous or burnt match aroma, NOT sulfite as is commonly mistaken.<ref>https://www.therealreview.com/2018/07/17/understanding-hydrogen-sulphide-and-sulphur-dioxide/</ref><ref>Williamson, B. [https://williamsonwines.com/recognizing-wine-flaws "Recognizing Wine Flaws."] Williamson Wines. Accessed online March 2020.</ref><ref>Mansfield, AK. [https://cpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/0/7265/files/2016/11/SulfurOffOdor-1vp1vm4.pdf "Kicking up a Stink: Treatment for Sulfur Off-Odors."] ''Cellar Dweller.'' Cornell University - NYSAES. April 2010.</ref> | ||