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Snooth User: Philip James

My pet bottle

Posted by Philip James, Jun 21, 2007.

I didn't think it was possible, but they've found a product that makes even the screw cap look classy...

The Constar MonOxbar polyethylene terephthalate (PET) [thats a plastic water bottle to you and me] debuted recently. It may make the wine look like a bottle of Vitamin Water, but (again, like the screw cap) this is a real step forward. It may not be easy on the eye, but its easy on the wine, the environment and the wallet. And, thats a trade off I'd be willing to make.

The key technology here is a semi-permeable membrane in the case of wine, oxygen (which makes a wine degrade) is absorbed from the head space while oxygen from outside the bottle is similarly absorbed. This keeps the wine from degrading for longer. Meanwhile, and this is key, carbon dioxide (which gives wine's its spritz or champagne its bubbles) doesn't pass through. The chemist in me asks why? CO2 molecules are bigger, but I doubt thats enough. Perhaps there's a molecule that reacts with oxygen, but not CO2, in the membrane. The company isn't clear on this one...

Either way, the advantages are clear - better wine for longer, less money wasted on packaging. Its also unbreakable, resealable (screw cap my friends), recyclable and light weight.

Boisset Vins & Spiritueux recently announced that their Yellow Jersey line will be using these bottles. Lets see who follow suit.


Blog comment by Mike Duffy, Jun 21, 2007.

I think the environmentally-friendly Tetra Pak (see my post at makes this PET container look classy.

As you said, it will be interesting to see who follows.

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