Rice wine is a common sweet wine in daily life. It contains various nutrients. Moderate consumption is beneficial to health. Many people often buy rice wine to drink. Generally, rice wine needs to be fermented. Some people find that a lot of white mold grows in the rice wine during fermentation. This does not mean that it has failed, nor does it mean that it has fermented.

Yellow rice wine contains yeast during fermentation. After fermentation, the yeast forms mold. This mold produces white hairs, which are the mycelium of Rhizopus. This rice wine can be consumed continuously. Remove a small amount of the white hairs.

However, if the top layer of the rice wine is a deep black, yellow, or green color, it is not recommended to continue consuming it. This rice wine has spoiled and grown mold.

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The production of Shaoxing wine mainly uses microorganisms such as Rhizopus and yeast. Therefore, if the Rhizopus multiplies too quickly, too little water is added, the seal is poor, or the temperature is too high, it will lead to spoilage. Therefore, temperature is very important. When brewing, the temperature should be maintained at around 30 degrees Celsius.

The fermented rice wine dough is moldy, isn't it?

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People who frequently brew rice wine will notice the growth of white mold during the brewing process. This is mainly because rice wine requires fermentation, which is a process that easily breeds mold, including white mold. Under these conditions, the rice wine is safe to drink and poses no threat to human health.

However, if the white spots on the rice wine are black, or if there are yellow patches, then the rice wine is mostly caused by bacteria and microorganisms and should not be consumed. Otherwise, it can easily increase the burden on the human digestive system, leading to discomfort such as abdominal pain, diarrhea, and loose stools, posing a threat to human health.

How can you tell if rice wine has been fermented?

The fermentation time for Shaoxing wine varies from person to person and is also a matter of personal preference. Normally, the fermentation time is 24-64 hours. The normal completion time is described below:

1. Depending on personal preference for sweetness, the starter culture or yeast powder can be mixed as needed and fermented at 30℃ for 24-64 hours.

2. Qualified rice wine needs to be heated at high temperature to completely kill the yeast. After leaving it at room temperature, cover it and refrigerate or consume it.

3. It can also be stored in the refrigerator. Rice wine that is not heated or frozen will continue to ferment.