The shelf life of red wine is an imprecise concept. It's not that the quality is fine within the shelf life, but after the shelf life, the quality is problematic and you can't drink it. In fact, after the shelf life of the red wine can still drink. Foreigners do not indicate the shelf life on the trademark of the wine, there is no concept of shelf life. \x0d\ According to the understanding of the Chinese people, the red wine within the shelf life should be clarified, not turbid, no precipitation, the taste effect should also be the best. Red wines with a shelf life of more than one year may be cloudy and precipitate, and the quality of taste may decrease, but they can still be consumed. \x0d\ Years of aging red wine, such as dry red wine made from Cabernet Sauvignon and Cabernet Franc grapes, after two years of brand-new oak storage, the taste is very hard, bitter and astringent, and it must be stored in bottles for about ten years or more before it can become soft, full-bodied, mellow, rich, and become a veritable aged wine. The A.O.C grade red wines produced in Burgundy and Bordeaux, France, are worth a lot of money, and some of them are people's collections. It is not uncommon for these highly valued red wines to show cloudiness and sedimentation. When drinking such red wines, you need to pour the bottle a little bit to separate the sediment at the bottom of the bottle, which can give people super value enjoyment. \x0d\ General shelf life of red wine is calculated from the fermentation of the original wine filling, generally need to be fermented in oak barrels for about half a year, and then filled into bottles, the shelf life should be calculated from this point onwards. Red wine is like a living organism, just after the filling of red wine is relatively young, the color is generally light red, with the passage of time, the color gradually become dark red, that is, belong to the mature red wine! As for the shelf life of red wine is how to determine, in accordance with the standards of French red wine, is generally based on the year's climate and a variety of conditions to determine the year's red wine belongs to which level, and then in determining its shelf life. Good vintage wines can still be preserved for a long time and have a very good flavor! \x0d\ For the red wine that we often drink, you can try it and taste it, if the flavor has not changed and the taste is still good, you can drink it. If the taste is not good there is an odor, do not drink. After opening the red wine, it is best to drink once, or in a short period of time.