White wine detection

Baijiu, English name (Baijiu), is the general name of Chinese liquors (except fruit wine and rice wine), also known as Shaojiu, Laobaigan, Shaodaozi, etc. Chinese Baijiu has a compound flavor with esters as the main body, with koji and yeast as the saccharification starter, and uses starchy (sacchariferous) raw materials to brew various kinds of liquor through cooking, saccharification, fermentation, distillation, aging and blending. Strictly speaking, the mixed liquor made from edible alcohol and edible spices cannot be regarded as Baijiu. Baijiu is mainly concentrated in the upper reaches of the Yangtze River and the Chishui River basin in the Renhuai, Yibin, and Luzhou Triangles of Guizhou Province, Sichuan Province, which have the world's largest and best quality distillate production areas. They are respectively Mao, Wu, and Lu, the three famous liquors in China. Their Baijiu industry clusters shoulder half of Chinese Baijiu's liquor industry. From January 1, 2021, the new Import and Export Tariff of the People's Republic of China will be officially implemented. The tax number in Chapter 22 of the Tariff is 2208.9020, the Chinese listed name is Baijiu, and the corresponding English name is Chinese Baijiu [2]. From June 1, 2022, Baijiu Industrial Terminology will be officially implemented, and the main raw material of Baijiu must be grains. Analysis of fusel oil shows that in other diseases, even drinking a small dose of 25 grams of alcohol per day can significantly increase the risk of various diseases. For example, the risk of oral cancer and pharyngeal cancer increased by 82%, esophageal cancer by 39%, laryngeal cancer by 43%, breast cancer by 25%, primary hypertension by 43%, cirrhosis by 1.9 times... In addition, the risk of colon cancer, rectal cancer, liver cancer and other diseases also increased slightly. If you drink more alcohol, the risk of developing these diseases will greatly increase. Fusel oil is one of the aromatic components of wine, but its content is too high and has toxic effects on people. Its toxic and anesthetic effects are stronger than ethanol, which can cause congestion in the nervous system and cause headaches. Its toxicity increases with the increase of molecular weight. The oxidation rate of fusel oil in the body is slower than that of ethanol, and it stays in the body for a longer time. The main components of fusel oil are isopentyl alcohol, pentanol, isobutanol, propanol, etc. Among them, isobutanol and isopentyl alcohol are more toxic. When the protein content in the raw materials is high, the content of fusel oil in the wine is also high. The boiling point of fusel oil is generally higher than that of ethanol (the boiling point of ethanol is 78 ℃, the boiling point of propanol is 97 ℃, and the boiling point of isoamyl alcohol is 13l ℃). When distilling Baijiu, the temperature should be controlled, and the end should be pinched to reduce the fusel oil content of the finished liquor

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