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Anonymous
ANSWERS: 1
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Only if it is refrigerated. The reason is that vermouth belongs to a group of wines called "automatized" wines. They start to lose their character as soon as they are opened. Keeping chilled slows the process down, but it's one reason many people buy theirs in half bottles. Even unopened, vermouth will start to break down after a while. 9 months is probably too long, especially opened. http://www.italian-wine-guide.com/italian-food.html
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