The wine expired can not be consumed, because the wine expired after the quality changes, produce a large number of disease-causing bacteria, if consumed, may lead to food poisoning, so the shelf life of the wine must be done to discard the treatment.

The expired wine is best not to eat, the expiration of the ingredients in the wine will produce changes, resulting in some toxic substances, also with cancer-causing substances.

Expanded Information:

The composition of the wine mainly consists of yellow wine, sugar, dextrin, organic acids, amino acids, esters, aldehydes, miscellaneous alcohols, oils, and leachate. Its alcohol concentration is low, the content of less than 15%, while the ester content is high, rich in amino acids, so the aroma is strong, mellow flavor, widely used in cooking dishes cooking wine flavoring role is mainly for the deodorization, aroma.

Specialty wine as a special wine for cooking seasoning, widely used in folk. However, experts pointed out that the main function of the wine is to remove the fishy, fresh, it is mainly suitable for meat, fish, shrimp, crab and other meat dishes, the production of vegetables, there is no need to put the wine.

In addition, because of the high salt content in the cooking wine, it is not suitable for direct consumption. It is suitable for cooking meat, fish, shrimp and crab. Although it has the word "wine" in it, it is not the same as yellow wine, beer, white wine and other drinking wines, but it is a flavoring product.

Baidu Encyclopedia --- cooking wine