What are the two traditional soy sauce fermentation processes?

Traditional soy sauce fermentation technology can be divided into exposure fermentation and deep well fermentation.

Exposure fermentation, also known as exposure fermentation, refers to mixing soybeans and wheat koji and exposing them to the sun for fermentation in summer. This fermentation method needs sufficient sunshine and air circulation, and is suitable for areas with warm climate and suitable humidity. Exposed fermented soy sauce is dark red in color and delicious, but the production process is affected by the weather, and the exposure time will also affect the taste and quality of soy sauce.

Deep well fermentation refers to mixing soybean and wheat koji and putting them into deep well for fermentation. Deep well fermentation needs to master factors such as temperature, humidity and ventilation, and it usually takes 3-6 months to complete fermentation. This fermentation method is suitable for cold climate areas and is not affected by the weather. At the same time, the temperature and humidity in the production process can be controlled. The produced soy sauce has light color, mellow taste and soft taste. ?

Different regions and families have different methods of brewing soy sauce, but exposure fermentation and deep well fermentation are still two commonly used methods in traditional soy sauce fermentation technology.

Matters needing attention in buying soy sauce

1. Types of soy sauce: There are many kinds of soy sauce, including light soy sauce, dark soy sauce, umami soy sauce and oyster sauce. Different kinds of soy sauce have different tastes and uses and need to be selected according to their own needs.

2, the color of soy sauce: the color of soy sauce is divided into dark and light, and the dark soy sauce has a heavy taste and is suitable for soup and stew; Light soy sauce has a light taste and is suitable for seasoning and dipping.

3. Brand of soy sauce: There are many soy sauce brands on the market. We must choose brands with good reputation and good quality to ensure food safety and taste.

4. Ingredients of soy sauce: You need to check the ingredient list of soy sauce to avoid choosing soy sauce with too many harmful substances such as additives and preservatives.