Detection of Yanghe Daqu Liquor

Daqu liquor uses Daqu as a saccharification, fermentation, and aroma generating agent. The main raw material for Daqu is wheat, which can also be mixed with wheat and barley, and a certain amount of peas. Daqu is further divided into low-temperature qu, medium temperature qu, medium to high temperature qu, and high-temperature qu. Generally, it is solid-state fermentation, and the quality of Daqu liquor is good. Most famous and high-quality liquors, such as Luzhou Laojiao and Baijinjin liquor, are made from Daqu. The brewing of Daqu liquor can be divided into two methods: clear residue and continuous residue. Fenxiang liquor (light aroma liquor) is mostly produced using the clear residue method, while Luxiang liquor (strong aroma liquor) and Maoxiang liquor (sauce aroma liquor) are produced using the continuous residue method. According to the different ingredients used in raw material steaming and distilling of fermented grains in production, it can also be divided into processes such as clear steaming and residue removal, clear steaming and residue removal, and mixed steaming and residue removal. The selection of these process methods depends on the aroma and style of the products produced. The characteristic of steam cleaning is to highlight the word "clean" and clear it to the end. In terms of operation, it is required to ensure that the residue and fermented grains are clean, and the residue and fermented grains must be strictly separated and cannot be mixed. In terms of technology, raw materials and auxiliary materials are steamed, fermented, and distilled. Require strict cleanliness and hygiene, and always adhere to a clear word. The famous Fenjiu is produced using the typical process of steaming, roasting, and twice cleaning

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