Among them, methanol and acid esters are mostly used for blending fake wine, so the discomfort after drinking fake wine is caused by drinking these chemical reagents.
Such as Wuliangye fake wine. Prepare a cup, pour a little white wine, add water, cover it and shake it hard, shake it a few times to open the lid and see the color of the wine. If the water inside becomes turbid, it proves to be real grain liquor. If the wine is still clear and transparent, it proves to be a fake white wine mixed with alcohol and water.
What is the harm of fake wine?
Methanol is well known to the public because of its toxicity. Industrial alcohol contains about 4% methanol, which is used by criminals as edible alcohol to make fake wine, but methanol poisoning will occur after drinking. The lethal dose of methanol is about 70 ml.
Methanol is very toxic, which has the greatest influence on the nervous system and blood system of human body. Toxic reactions can occur after ingestion through digestive tract, respiratory tract or skin, and methanol vapor can damage human respiratory mucosa and vision.
Symptoms of acute poisoning include: headache, nausea, stomachache, fatigue, blurred vision and even blindness, and then dyspnea, eventually leading to respiratory center paralysis and death. Chronic poisoning reactions include dizziness, lethargy, headache, tinnitus, fatigue and digestive system disorder.