A bottle of champagne is at its best for 3 to 5 hours after it has been opened. After this period, the champagne loses its carbonation and becomes flat, which affects the taste. An open bottle of champagne can be reseale... More »

An unopened bottle of nonvintage champagne stays good for three to four years. A bottle of unopened vintage champagne stays good for more than 20 years. More »

An acclaimed good sweet Champagne is Ballatore Gran Spumante. Another sweet Champagne to try is Martini & Rossi's Asti Sumanti. Both are made from Muscat white grapes grown around the Italian town of Asti. More »

When stored in a refrigerator, an open bottle of champagne can last between 3 to 5 days if it is re-corked or covered properly. If one does not have the cork or a stopper to close the bottle, then a piece of plastic wrap... More »

Unlike wine, which comes 12 bottles to a standard case, champagne is sold six bottles to a case. It is possible to buy champagne in quantities of 12 bottles at a time. A 12-bottle case of champagne is referred to by vend... More »

As of 2014, André California champagne, which is available in seven flavors, contains between 6.5 and 10.5 percent alcohol by volume. Its classic varieties of brut, extra dry and blush have a higher percentage of alcohol... More »

The difference in the various classifications of champagne is their sugar content. Champagne classified as brut has a maximum sugar content of 1.5 percent. Extra dry Champagne can have up to 2 percent sugar content. More »