Do sulfites cook out when you reduce wine?
The main cooking mode I'm thinking of is a braise: coq au vin or beef Bourguignon, but would also be interested in the shorter cooking time recipes, e.g. a wine reduction pan sauce.
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2According to wikipedia, potassium metabisulfite (the most common sulfite used in winemaking) breaks down at 190 C, and one of the components (SO2) would outgas. But much of it has already been converted to SO2 during the bottling process already...– John FeltzCommented Jan 3, 2017 at 0:59
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At 190C and in the presence of water, does SO2 not become sulphurous acid and reenters the sauce?– user110084Commented May 13, 2017 at 19:56
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1 Answer
hmmm... I know that cooking (wine and other) alcoholic beverages will burn off the alcohol content, but according to this article, Hydrogen Peroxide will remove sulfites through oxidation. Go figure.
