1. When it comes to the uses of yeast, the following aspects can be explored in more detail:

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2. **1. Bread and pasta making**:

       - Yeast plays a key role in bread making. When mixed with flour, water and sugar, it produces carbon dioxide through the fermentation process, causing the dough to rise.

       - Yeast can also be used to make other pastas such as pizza, cakes, cookies and noodles. During these preparations, yeast fermentation makes the pasta fluffier and better tasting.

    

   **2. Production of alcoholic beverages and fermented beverages**:

       - Yeast plays a key role in brewing beer, wine and other fermented beverages. Yeast converts sugar into alcohol and carbon dioxide, thus enabling the fermentation process.

       - Different types of yeast produce different flavors and textures. For different types of alcoholic beverages, it is important to choose the appropriate yeast strain.

    

   **3. Yeast nutritional supplement**:

       - Yeast is a nutrient-rich food, rich in protein, B vitamins (such as vitamins B1, B2, B3, B6) and minerals (such as iron, zinc, magnesium).

       - Yeast can be added to foods as a nutritional supplement, such as yeast flakes, yeast powder or yeast nutrient supplements. They can provide additional nutritional value, especially for vegetarians and people who need to increase their intake of B vitamins.

    

   **4. Seasonings and Flavor Enhancers**:

       - Yeast extract is commonly used as seasonings, such as yeast extract powder (yeast powder) and yeast extract soy sauce. They add umami and complexity to food.

       - Yeast extract can also be used to make condiments, such as yeast extract powder used to flavor potato chips, sauces, etc.

    

   **5. Biotechnology applications**:

       - Yeast is widely used in biotechnology. For example, yeast can be used to produce drugs, enzymes, alcohol, and other chemicals.

       - Yeast is widely used in biopharmaceuticals to produce drugs such as antibiotics, hormones, and vaccines.

       - Yeast can also be used as a raw material for the production of biodiesel and bioplastics.

    

   These are just some of the common uses of yeast; in fact, yeast has a wide range of important applications in food, beverage, nutrition, and biotechnology.

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