One of my favorite things about what I do is getting to tell my readers about wine that is both enjoyable to drink and made in a sustainable way. It always feels just a little bit like Christmas morning when I get to open a box with wine samples in it.

One slight problem is that when I open a bottle of wine to sample it and perhaps write about it, if it doesn’t get finished immediately the quality of the wine in the bottle decreases quickly. Anyone who drinks wine regularly understands that once wine has been exposed to oxygen, it’s not long before the wine “goes bad.”

Wired recently reviewed 5 wine preservation systems and chose a product called Private Preserve as the best overall at preserving open bottles of wine. The reviewer said he couldn’t “tell much of a difference between a fresh bottle of wine and one preserved with Private Preserve for a week. And after just two days, I actually thought the Private Preserve bottle tasted better than a freshly opened one.”

This Wine Enthusiast video explains how the can of inert gasses (nitrogen, carbon dioxide, and argon) works to make sure oxygen does not stay in the empty part of an open wine bottle.

I tried Private Preserve on a bottle of California Pinot Noir. I opened the bottle on a Monday morning and had a small glass. (It was strictly for professional reasons.) I sealed the bottle after using the product, tucked it away in my China cabinet, and reopened two days later on Wednesday evening. The quality was just as good.

After sealing the bottle again with Private Preserve, I reopened on Friday night. I was still pleased with the quality of the wine. Then I decided to reseal the bottle one more time, but without using the Private Preserve. By Saturday night, the wine’s quality had decreased dramatically.

Private Preserve also claims to be the “greenest wine preserver in the world.”

The can is aluminum, the valve is stainless steel, and the cap and straw are plastic, all parts of the container are recyclable. Nitrogen, Carbon Dioxide and Argon are the ONLY contents. Private Preserve harvests these three gases directly from the Earth’s atmosphere which we breath, using fractional distillation to separate and remove oxygen and impurities, nothing is destroyed, burned or consumed.
One can lasts about 120 uses. I paid $8.79 from an Amazon seller that didn’t charge shipping. If the can actually has that many uses, I think it’s a real bargain. It should last me well over a year. I’ll be able to taste a wine on Monday to review it and finish the bottle on the weekend.

Have you had any experience with Private Preserve? Did it work for you?


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Robin Shreeves ( @rshreeves ) focuses on food from a family perspective from her home base in New Jersey.

Private Preserve keeps an open bottle of wine drinkable for days
This easy, inexpensive, self-proclaimed green product gets rave reviews for keeping an open bottle of wine fresh for days. We put it to the test.