Because a small amount of alcohol will volatilize during storage.
If you want to reduce volatilization, you should do a good job of sealing protection and keep it in a suitable environment.
Correlation extension
Maotai, a specialty of Maotai Town, renhuai city, Zunyi City, Guizhou Province, is a symbolic product of chinese national geography.
Moutai is a traditional specialty wine in China. It is one of the world's three largest distilled spirits, which is as famous as Scotch whisky and French cognac, and also one of China's three famous wines. It is also the originator of Daqu Maotai-flavor liquor with a history of more than 800 years.
The style and quality characteristics of Kweichow Moutai are "outstanding sauce flavor, elegant and delicate, full-bodied, long aftertaste and lasting fragrance in empty cups". Its special style comes from the unique traditional brewing technology formed over the years, and the brewing method is combined with the agricultural production in Chishui River basin.
Influenced by the environment, seasonal production, dragon boat festival, and eating on Double Ninth Festival all retain some original traces of local life.
Maotai Liquor is the originator of China Daqu Maotai-flavor liquor. It has the characteristics of clear and transparent color, outstanding sauce flavor, rich aroma, elegant and delicate taste, soft entrance, crisp and sweet taste, full body, long aftertaste and lasting fragrance in empty cups. People call the unique flavor of Moutai "Maoxiang", which is a typical maotai flavor style in China.
The above contents refer to Baidu Encyclopedia-Maotai Liquor.