Keith Prichard, Owner of Slate Run Vineyard (Ohio, USA)
Keith Pritchard • Don't lay them on their sides. Saranex the primary liner is made of PVDC a chlorinated polymer that can leach into the wine especially at the low pH levels of wine andthe alcohol is a solvent also. Saran wrap has been changed to a polyethylene material because of this. Beer caps apparently have switched to primarily polyethylene also which probably is why the lighter beers are now dated because of oxidation. Also they do not breath enough for the proper aging of traditional style wines. Ok if you want to keep them fruity longer, but they do not pass enough air for an aging regimen of traditional styeld wines. I have been buying with screw caps for early drinkers, but since finding out about the liners I am going to avoid them now.
Keith Pritchard • The metal in a can or screw cap is not in contact with the food or wine or even beer. They are all lined with a plastic material that are made with the aid of plasicizers that can leach materials not good for long term health in to the food, wine, or beer. I only drink beer from bottles or draft. The plastic affects the flavor as well at least in beer. Some plastics are safe such as ones used in beer caps made of polyethylene, Plastic liter pop bottles are made from polypropylene, these are also OK. But the material in can linings and stelvin caps is made with plasticizers to make them resilient and gives the plastic its oxygen barrier properties. I would never drink an aged wine stored in a screwcap. Many of the Australian wines are very fruit centric and I suppose preserving that is of value to them. I don't particularly care for tuiti fruiti wines myself. Some fruit is OK as long as it is in with a symphony of other complexing flavors and bouquet. Not saying I don't make fruity type wines, I do, but I like to have other structural components in the wine that give it added dimension. Many modern tasters sometimes don't care for that. They tend to want a cocktail ready made in a bottle.
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