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Research: Wine doesn't hold up well in plastic bottles or bag-in-box

Some wine brands have been shifting to plastic bottles and bag-in-box formats over the past several years, citing convenience and sustainability benefits.

Pw 3564 Wine Bottleglass R

The researchers determined that the flavor and chemical composition of the wine changes in plastic bottles and bag-in-box during the six-month period because the alcohol begins to oxidize. The results were the same in testing on both single-layer and multilayer PET bottles.

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