Types of distiller's yeast

According to koji-making raw materials, there are mainly wheat and rice. Therefore, they are called wheat koji and rice koji respectively. There are many kinds of rice-based koji, such as rice-based Xiaoqu, steamed rice-based red koji or black-coated red koji, and rice koji (Aspergillus oryzae).

According to whether the raw materials are ripe or not, they can be divided into raw wheat koji and cooked wheat koji.

According to the additives in koji, there are many kinds, including Chinese herbal medicine koji and bean koji with bean raw materials (peas, mung beans, etc.). ).

According to the shape of qu, it can be divided into Daqu (straw bag qu, brick qu, hanging qu), Xiaoqu (cake qu) and Sanqu.

According to the source of microorganisms in koji, it can be divided into traditional koji (naturally inoculated by microorganisms) and pure koji (such as koji inoculated by Aspergillus oryzae, koji inoculated by Rhizopus, koji inoculated by Aspergillus Niger).

In modern times, koji can be roughly divided into five categories, which are used for different wines. They are:

Wheat starter is mainly used for brewing yellow rice wine;

Xiaoqu, 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. So far, 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.

Classification of China Daqu

Categories and categories

Daqu traditional Daqu; Strengthening Daqu (semi-pure); Pure Daqu

Xiaoqu is divided into traditional Xiaoqu and purebred Xiaoqu according to inoculation methods.

According to the use, it is divided into yellow rice wine Xiaoqu, white wine Xiaoqu and sweet wine medicine;

Divided into bran koji, rice flour koji and liquid koji according to raw materials.

Monascus is mainly divided into Wuyi Monascus and Monascus, and Monascus is divided into traditional Monascus and pure Monascus.

Wheat Qu Traditional wheat qu (straw-wrapped qu, brick qu, hanging qu, explosive qu)

Pure wheat qu (ventilation qu, ground qu, box qu)

Floor music, box music, curtain music, ventilation music, liquid music.