1、 Wine color identification method
Bulk liquor should be colorless and bright, and there is no suspended Baijiu in the liquor, so it will not appear turbid. If loose wine is poured into a glass and there is a ring-shaped insoluble substance on the wall of the glass, it may be mixed with fake wine. In winter, the liquor may have precipitated sediment of Baijiu. At this time, the bulk liquor can be heated to 30-40 ℃, and the precipitated articles in the liquor will dissipate and be lost. But remember that the heating temperature should not be too high.
2、 Taste identification method
The taste of bulk liquor can be dense, light, soft, spicy, and so on. After being swallowed under the liquor, the bulk liquor can be divided into sweet, bitter, and spicy flavors. A good bulk wine has a very rich and mellow taste, without any peculiar smell or strong stimulation. By carefully tasting the bulk wine with the tongue and throat, one can identify the richness and taste of the bulk wine.
3、 Odor discrimination method
True bulk liquor gives people a harmonious and pleasant aroma, and the taste of bulk liquor is top-grade with a rich and odorless flavor and no strong stimulation. If there is a peculiar smell in Baijiu, such as burnt, rotten, earthy Baijiu, sugar, distiller's grains, etc.
4、 Tasting discrimination method
If you really drink bulk wine, the aroma will fill your mouth, and after swallowing it, the aftertaste will be long-lasting. Only by carefully savoring the tip of the tongue and throat can one discern the quality of the bulk alcohol flavor. The adulterated bulk liquor has a pungent and pungent feeling, with a strong alcohol flavor that is difficult to swallow.