Unfermented wines should not be drunk. The yeast autolysis will lead to the formation of sediment at the bottom of the bottle, which may bring about a yeasty or sulfurous odor, affecting the organoleptic flavor of the wine and making it unsuitable for further drinking.

If the fermentation level is low, the yeast autolysis will also lead to the formation of sediment at the bottom of the bottle, resulting in a lack of clarity when the bottle is opened. The yeast sludge may give off a yeasty or sulfurous odor, affecting the organoleptic flavor of the wine and making it unsuitable for further drinking.

Grapes do not keep well at room temperature, and without refrigeration they can easily harbor bacteria and spoilage. The containers of your own wine may produce a harmful chemical composition during the brewing process, and the process of your own wine is not regulated by the whole closed sterilization production, so your own wine may occur E. coli exceeding the standard, which will easily lead to the human body's gastrointestinal discomfort.

The quality of the wine comes from the quality of the grapes, but the raw materials people use when making their own wine are usually ordinary table grapes, the quality of which can not be guaranteed, and the wine is made at home without following the strict standards of the wine-making process, and without a professional fermentation environment and disinfection conditions, etc. In such an environment, the wine can be made in a way that will not cause any problems. Home-brewed wine in such an environment may pose certain safety risks.

Expanded information:

People often say that the quality of the wine is easy to get drunk or easy to head is one of the important reasons. It is not that the environment at home fermented a higher alcohol content than the winery, but because the amount of wine out of the presence of a variety of heterohydric alcohols that are more toxic to the nerves, and more serious cases, it may also happen to drink their own brewed wine will lead to blindness or coma symptoms.

Though the price of their own wine is affordable, most of the current conditions and technology of their own wine can not meet the standard, in the process of brewing can not be removed from the production of methanol and heterohydric alcohol oils and other hazardous substances, as far as possible do not make their own wine, it is best to choose some brand of wine to buy. This is responsible for their own health.

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