According to Waterhouse the identity of this nucleophile is still being determined but it is probably glutathione, a natural antioxidant in grapes, or sulfite, which is routinely sprayed onto machine-harvested grapes before they leave vineyards to prevent oxidation (see box Oxidation fundamentals below)
Kelly G
Six men and nine women joined them there young, attractive and well-dressed, driving Range Rovers and Escalades where they sat at a long candle-lit table in the center of the all-white room, ordered champagne and sang Happy Birthday. Three hours later they were wrapping up their night when, shortly after midnight, a half-dozen men with assault rifles burst in and surrounded them
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Studies have shown S-Acetyl-L-glutathione's superiority over GSH in maintaining cellular levels, even during depletion scenarios such as viral infections