What is the reason for the yellowing of Maotai-flavor liquor? How long does it take for Maotai-flavor liquor to turn yellow?

We all know that liquor is a common alcoholic beverage. There are many types of liquor, and Maotai-flavor liquor is one of them. Many people drink Maotai-flavor liquor. Many people will find that Maotai-flavor liquor will turn yellow after being stored for a long time. So why does Maotai-flavor liquor turn yellow? Let's take a closer look!

Why does Maotai-flavor liquor turn yellow?

1. Production process

The production process is complex, the production cycle is long, and the trace components in the wine are more complex than those in other wines, so the sauce-flavored liquor is slightly yellowish;

2. Production process

The aroma composition is complex, and the main aroma is closely related to the Maillard reaction. In addition, during the winemaking process, the sauce-flavor liquor is generally fermented in an acidic environment, and the Maillard reaction may occur during the fermentation process to generate 1.2 enolization colored products.

3. Storage process

During the long-term storage of Maotai-flavor liquor, chemical reactions will occur inside, increasing the amount of ketone compounds. Ketone compounds have different degrees of yellow, making the liquor look slightly yellow. The longer the storage time, the more obvious the color of the liquor.

How long does it take for Maotai-flavor liquor to turn yellow?

The sauce-flavored liquor has the characteristics of "slightly yellow and transparent color, prominent sauce flavor, elegant and delicate, mellow body, long aftertaste, and lasting aroma in the empty cup". The sauce-flavored liquor with a relatively old age is slightly yellowish in color.

Why is it that only Maotai-flavor liquor turns yellow the longer it is stored? It is because a chemical reaction will occur inside Maotai-flavor liquor during long-term storage, which will increase the number of ketone compounds. And ketone compounds happen to have different degrees of yellow, so liquor that is more than five years old has a slightly yellowish color, and the longer it is stored, the yellower the color becomes.

Ketone compounds are first formed during high-temperature koji making. In the production of Maotai-flavor liquor, it needs to go through two feedings, seven wine extractions, eight fermentations, and nine steamings. The first and second times, the liquor is transparent and has a raw grain flavor. Starting from the third time, we increased the amount of koji, which resulted in the liquor produced in the next few times having a slightly yellowish color.

In addition, the sauce-flavored liquor is stored for five years before it leaves the factory. The liquor is stored in earthenware jars in a cool and ventilated place. The earthenware jars also have a certain effect on the yellowish color of the liquor.

Is yellowing of liquor a good thing or a bad thing?

Not all yellow old wines are good wines: Some sellers now add certain substances to their wines to make them look more like old wines, so not all yellow wines are good wines. Only naturally aged yellow wines are good wines.

In summary, you should be rational when buying old wine. You must pay attention to its historical production before buying old wine, and don't buy blindly. In the purchase process, don't blindly magnify some characteristics of old wine and ignore other factors. When buying old wine, in addition to the yellowing of the wine, the aroma and taste of the wine are also used as judgment indicators. You also need to carefully observe the wine label and packaging to see if there is any deliberate aging.

Which liquors will not turn yellow?

Light-fragrance liquor and rice-fragrance liquor will never turn yellow! Do not drink light-fragrance liquor and strong-fragrance liquor that turn yellow.

Many unscrupulous merchants use the gimmick of turning liquor yellow to deceive consumers, causing many wine lovers to buy a bottle of liquor with added pigment and take it home, but after storing it and drinking it, they find that the taste of the liquor is just not right.