Daqu can be divided into small pieces and large pieces. When buying whole pieces, try to choose large pieces of Daqu medicine, because in the process of making yellow rice wine koji, the internal fermentation of wheat koji outside the koji embryo is not sufficient. The smaller the pieces, the less fully fermented koji seeds are inside, which is more practical than large pieces of koji.

2. Look at this crooked embryo

The surface of the song is flat, the outside is wheat color, the song is cut, and the inside is brown ring. Daqu is dense and compact, and can be ground into powder by hand. The fault is clear without stratification, and there is the aroma of yeast inside.

Step 3 look at the shape

The quality of yellow rice wine koji is easy to identify and preserve. The quality of Fenqu is difficult to judge and can be adulterated at the same time. The important thing is that it is easy to get wet and moldy, and it is easy to get insects.

Extended data:

Classification of Qu liquor:

Wheat koji is mainly used for brewing yellow rice wine.

Xiaoqu is mainly used for brewing yellow rice wine and Xiaoqu wine.

Monascus is mainly used for brewing red koji wine (red koji wine is a variety of yellow rice wine).

Daqu is used to brew distilled liquor.

Bran koji was developed in modern times, and the culture with bran as raw material was inoculated with pure mold. Can be used to replace some big songs or small songs. At present, bran koji method is one of the main methods of liquor production in China. Its liquor production accounts for more than 70% of the total output.