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What causes homemade wine poisoning?

Oct 09, 2023 Source: Cainiu Health
Dr. Yang Shuwen
Introduction
In general, the causes of poisoning from homemade wine include excessive methanol, contamination by miscellaneous bacteria, improper handling, alcohol intoxication, and use of non-edible grape varieties. Patients are advised to receive symptomatic treatment as directed by a physician. If any abnormal conditions or symptoms of poisoning occur after consuming homemade wine, individuals should seek medical attention promptly and inform the doctor, who will then take appropriate measures based on the specific situation.

Under normal circumstances, the causes of poisoning from homemade wine include excessive methanol, bacterial contamination, improper handling, alcohol intoxication, and use of non-edible grape varieties. It is recommended that patients receive symptomatic treatment as directed by a physician. Specific analysis is as follows:

1. Excessive Methanol

Methanol mainly originates from plant tissues. With homemade wine, it is difficult to determine the exact methanol content, increasing the risk of exceeding safe limits. Consuming wine with high methanol levels can easily lead to poisoning.

2. Bacterial Contamination

Homemade wine production typically cannot meet the sterilization standards of commercial facilities. Inadequate disinfection of grapes and containers makes contamination by unwanted microorganisms more likely, allowing bacteria to remain and multiply, thus affecting wine quality. Additionally, improper storage can lead to mold growth. Drinking homemade wine contaminated with bacteria or mold may result in poisoning.

3. Improper Handling

Improper practices during cultivation or harvesting may also cause poisoning from homemade wine. For example, if grapes are not adequately washed, disinfected, or handled during cutting, harmful microorganisms such as bacteria, parasites, or mold may remain on the surface. Ingestion of these contaminants may lead to food poisoning.

4. Alcohol Intoxication

Homemade wine often has a relatively high alcohol content. Excessive consumption may lead to alcohol poisoning, with symptoms including headache, nausea, vomiting, dehydration, and abdominal pain.

5. Non-Edible Grape Varieties

Some grape varieties may be unsuitable for human consumption or contain toxic parts. If non-edible grape varieties are used in homemade wine, or if certain toxic parts—such as vines or seeds—are unknowingly consumed, poisoning may occur.

If a patient experiences any abnormal reactions or symptoms of poisoning after drinking homemade wine, they should seek medical attention promptly and inform the doctor. The doctor will then provide appropriate treatment based on the specific situation.

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