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Dear Dr. Vinny,
You recommend preserving leftover wine by pouring it into a smaller vessel in order to limit the wine’s exposure to oxygen, but doesn’t the act of pouring the wine aerate it in transit?
—Barbara N., Franklin, Tenn.
You are absolutely right that pouring a wine into another container will expose it to air, even if the purpose of pouring the wine is to limit its exposure to air in the long run. But I believe those few seconds of transferring a bottle of wine to a smaller container (with a smaller air-to-wine ratio) are better than hours or days in the original bottle, in which the wine will be sealed in with a much higher volume or oxygen.
I just stood in my kitchen and transferred an entire bottle of wine into another container in 14 seconds. Depending on what kind of funnel you are using it might take a little bit longer, but it's a few seconds of decanting that could buy you a few days until you're ready to enjoy the rest of that wine. Now if you’ll excuse me, I think I need to drink this rosé in my water bottle before I need it for the gym in the morning.
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