You are a pastry chef and have heard no less than once the word “yeast”. So what is yeast? Have you really understood about yeast yet? If you do not have much information, let help you answer.

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Do you know what yeast is? What are the uses of yeast? Where is Yeast purchased?…

Yeast is an indispensable ingredient in the baking process, used daily by the bakery staff in recipes for European, Asian and Vietnamese cakes. So what is yeast?

What is Yeast?

Yeast is understood as yeast, which is an extremely common and important ingredient in baking recipes, especially bread, dumplings, sponge cakes, …. Yeast has the effect of hatching during the incubation process. Yeast is living microorganisms capable of secreting Enzymes such as Carbon Dioxide (CO2) to help promote the fermentation of dough, making the dough bigger.

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5 basic things to know about yeast

Types of Yeast

Yeast has many varieties. Each type of cake or recipe will be suitable for a different type of yeast respectively. Distinguishing the types of yeast will help you know how to use which yeast to use to suit each cake dish and how to replace the different types of yeast. yeasts that bloom for each other when an ingredient is missing. Specifically, there are the following types of yesats:

• Fresh yeast/ compressed yeast

Called fresh yeast, exists in the form of blocks, ivory color, soft, moist, can be easily crushed by hand. Fresh yeast usually has a rather short shelf life, but this is the type of yeast that helps the cake have a characteristic delicious taste as well as helps the cake to bloom better.

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• Active dry yeast

Also known as dry yeast, this is the most common and common type of yeast, this type of dry yeast is ivory-brown granules but in the form of granules and packaged, not block like fresh yeast. When using dry yeast, you always have to activate it with warm water first to see if the yeast is “alive” or “dead”. Dry yeast can be stored at room temperature, but it is still best to keep it in the refrigerator.

• Instant yeast (Men Instant)

Instant yeast is quite similar to active dry yeast but has different uses. Because Instant yeast has more microorganisms than regular yeast, you should use about 25% less than active dried yeast in any recipe. In addition, Instant yeast does not need to be tested in water to see if it works well, because it can be added directly to dry or powdered ingredients. In particular, Instant yeast can work at higher temperatures from 46 – 49 C.

• Rapid-rise or quick-rise yeast

Also known as fast-growing yeast. As the name suggests, this yeast blooms very quickly, which reduces the baking time of the dough as well as helps you make cakes faster. However, this type of yeast is rarely used because in fact, to make the cake delicious, the dough must be kept for a long time. If you want, you can choose this type of yeast to make cakes, but note that the cake will not be as delicious as when using fresh yeast or dry yeast.

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Dry yeast is the most commonly used yeast

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Uses of yeast in baking

As described in the section “What is yeast?”, the biggest use when using yeast (usually fresh yeast or dry yeast) is to help create a spongy, evenly puffed, and soft cake for cakes such as: bread, pizza dough, sponge cake, dumplings, beef cake, pepper cake,…

Limit the temperature for yeast to work

Each baking recipe or different yeast types will have different responses (levels of bloom) at different water temperatures respectively. Needs to be adjusted to achieve the appropriate water temperature to facilitate activation. Microorganisms, living things that produce CO2 help the dough rise through the incubation process. Specifically:

0°C-14°C (yeast storage temperature): yeast is barely active15°C-20°C (quite cold): yeast is very slow and weak 20°C-37°C ( ideal temperature): yeast works best 38°C-59°C (hot temperature): yeast reacts slowly and is not good>=60°C (temperature is too hot): yeast will die and can not use.

The ideal temperature for yeast to take full advantage is about 32-38°C. In addition, you must also pay attention to the moisture of the water and the amount of sugar (sugar helps yeast work better).

Yeast works best in water temperatures around 32-380C

How to use standard yeast

Here is the yeast activation process to help the cake reach the most ideal bloom, thereby producing delicious and quality batches of cakes:

Check if the yeast is active by taking a little yeast and adding it to warm water, if the yeast is floating, it means it is still active. Mix all the ingredients with the yeast according to the instructions. An important step for yeast to work at its best, helping to produce carbon quickly, creating more air holes, increasing cake texture and increasing quality. Stick in the dough. Put in a large bowl, cover the bowl with food wrap and then incubate the dough for the first time to ferment, if the dough is doubled compared to the original dough size, the yeast works well. Once the dough has risen, punch the dough with your hands to flatten it, let it rest for a few minutes, then knead again so that the air bubbles are spread evenly throughout the dough Divide the dough into equal parts, shape and shape it. of each cake Do the second incubation, ie the dough will double the original kneaded dough. Take the cake to bake, steam or fry until the cake is cooked as required.

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Yeast is widely used in baking recipes that need to be spongy

Where is Yeast purchased? How to preserve?

As a common ingredient in baking, so you can easily find yeast at any market, grocery store, department store, ingredient and baking supply store or supermarkets. big and small town.

If the yeast is still in its original packaging (that is, unopened), the whole package of yeast can be stored at room temperature. In case the yeast has been opened, the best way is to store it in a sealed container (absolutely no air) and store it in the refrigerator. Dried yeast if stored properly, the best shelf life is usually about 6 months from the date of opening the package.

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With the above sharing, hopefully, it will help you understand what yeast is. Once you understand what Yeast is, the common types of Yeast, and what you need to know in baking, you can arbitrarily increase or decrease, or experiment with other cakes until you come up with a good recipe. refresh. Practical application to create standard batches of cakes.