Does Active Dry Yeast Expire?

Active dry yeast will expire and become ineffective. The general shelf life is about 24 months. If stored for a long time, it may lose its activity and cannot achieve the effect and function of fermenting flour. It is usually not recommended to use it after the shelf life.

Active dry yeast can be used to ferment bread, steamed buns, flower rolls, dumplings, baked buns, cakes, fried dough sticks, twisted dough sticks, oil fruit and other fermented pasta foods. In the process of making pasta, the use of yeast powder can make the food more fluffy and the taste will become sweet.

However, this kind of yeast powder also has a shelf life. If it is stored for too long or in an improper storage environment, it may cause the loss of effective ingredients in the yeast powder and fail to play the role of fermenting flour. The pasta made may feel harder and affect the taste.

Bailin Yeast Powder

Can Expired Dry Yeast Still Be Used and Workable?

Its actually not suggest to use the expired yeast. as it will affect the fermentation of the yeast, which will easily lead to the unsuccessful fermentation of flour. Moreover, after the yeast expires, it will spoil and produce some harmful substances. Yeast is a commonly used eukaryotic receptor cell in gene cloning experiments, and culturing yeast is as convenient as culturing E. coli.

High Active dry yeast was produced by Bailin Group has a shelf life of up to 2 years. Generally speaking, it is not recommended to eat yeast powder that has exceeded its shelf life. Although yeast that has passed its shelf life cannot be eaten, it can be diluted with water and used for growing green plants and flowers at home. This is because yeast cells themselves contain rich beneficial ingredients, such as amino acids, vitamins and trace elements, which provide nutrients for plant growth.

making dough

The Recommended Storage Method of Yeast

After opening the bag, the yeast can be stored at room temperature for about 1 year, and the shelf life is not less than 6 months, without refrigeration. Active dry yeast is a squeezed yeast with strong vitality. The dry cell is prepared after low-temperature dehydration. It has a moisture content of 7%-8.5%. It needs to be activated with 30°C warm water before use. It has high fermentation power, so the price is higher.

The storage period of high-active dry yeast can reach more than 2 years, and the shelf life is not less than 12 months. It does not need to be stored at low temperature. It can be placed in a cool, dry place below 20°C. Highly active dry yeast has fast fermentation speed, good solubility, 5%-6% moisture content, easy to use, no need to activate in advance, low usage and fast fermentation speed.

The correct storage method of fresh yeast: 0 to 4 °C (not higher than 6 °C) can be stored for about 45 days in a refrigerated environment (do not freeze). The activity of fresh yeast is unstable. Prolonged storage time and improper storage conditions will quickly reduce the activity of yeast. However, fresh yeast has greater fermenting power, strong fermentation endurance, great stamina, good swelling power into the furnace, and slightly cheaper prices.

About Bailin Group :

China,Bailin Group is a Professional & Qualified Instant Dry Yeast manufacturer and supplier since 2006. we produce Baking Yeast/Alcohol Yeast/Feed Yeast with good quality and reasonable price. has got a very good feedback from overseas market. welcome to contact us for Yeast business .


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