Cognac (French: cognac) refers to brandy produced in cognac or its surrounding areas in France. Among cognac sold in the market, "XO" (extra old) is the highest grade, which is generally referred to as "XO" or "XO wine" in Hong Kong.

First-class V.S, three-star. When blending cognac, the minimum age of the original wine should be at least 1.5 years.

The second grade V.O, V.O.P, V.S.O.P, etc., the minimum age of the original wine at the time of blending is at least 4-4.5 years.

The third grade X.O, Napoleon,Cordon Bleu Centeur and Antique are very old brandies, which are called fine or best, and the minimum age of wine when blending is over 6 years.

Extended data

Cognac category

The level of cognac: The French government has very strict rules, and wine merchants can't call themselves at will. To sum up, there are the following categories:

Famous cognac products include Hennessy, Remy Martin, Martell and Camus.

Cognac usually uses some English letters to indicate its aging time.

V.O: 10~ 12 years.

V.S.O: 12~20 years.

V.S.O.P: 20 to 30 years.

NAPOLEON: More than 40 years.

X.O.: More than 50 years.

X: more than 70 years.

References:

Baidu encyclopedia: XO