Discover how Velcorin, a 'ghost preservative' used in wines and beverages since 1988, kills harmful microorganisms by deactivating their enzymes before breaking down into naturally occurring compounds.

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From Columbia University alumni built in San Francisco

Lena: Hey there, welcome to today's episode! I was at a wine tasting last weekend and overheard something interesting—the sommelier mentioned adding something called "Velcorin" to some wines. I had no idea what that was, but apparently it's in a lot more beverages than I realized.
Eli: Oh yeah, Velcorin is fascinating stuff! It's actually a microbial control agent that's been used in the U.S. since 1988, not just in wines but also in sports drinks, iced teas, and juice products. What's really interesting is that unlike other preservatives, it doesn't affect the taste, aroma, or color of the beverage at all.
Lena: Wait, so it's a preservative that doesn't change how things taste? That sounds almost too good to be true. How does something like that even work?
Eli: That's what makes it so clever. Velcorin—or dimethyldicarbonate as it's technically called—actually penetrates microorganisms like yeasts and bacteria, and basically deactivates their essential enzymes, rendering them harmless. Then it completely breaks down into tiny amounts of methanol and carbon dioxide, which are already naturally present in many beverages anyway.
Lena: So it essentially self-destructs after doing its job? That's pretty remarkable. I'm guessing there must be some specific rules about how it's used though, right?
Eli: Absolutely. Let's dive into exactly how Velcorin works, why beverage producers are so interested in it, and the fascinating science behind this "ghost preservative" that disappears without a trace.