Yeast is The benefits, harms and composition of yeast. homemade yeast recipe

2024 Author: Isabella Gilson | [email protected]. Last modified: 2023-12-17 03:14

Yeast mixtures are widely used in the baking and brewing industries. This is a valuable product rich in proteins, minerals, vitamins. Yeast is also a rich source of iron and beneficial microorganisms. The product relieves pain in neuritis, increases the body's defenses.

History of yeast

Yeast was first used in Egypt. It was there in 6000 BC. e. from the product began to brew beer. By 1200 B. C. e. The Egyptian people learned how to bake yeast rolls. The yeast mixture has various sources. Brewer's yeast is a product derived from hops. The most powerful type is whey - a by-product obtained as a result of the processing of milk, cheese. In Switzerland and Germany, liquid yeast is prepared on herbs. The product is also made on the basis of oranges, grapefruits, honey drink.

Baker's yeast

This kind of product appeared before the start of the war. This is the so-called gray yeast. In Russia, scientists have repeatedly studied the nature of yeast and stumbled upon a very interesting fact. In Germansources contained information that they were grown on human bones. However, the specialists were not allowed to copy these documents, so they remained classified. In Russia, bread has long been baked on dough. Subsequently, the leaven used to make rolls was replaced by yeast. The new product saved bakers time. Now they did not need to demonstrate special skills in order to bake a delicious, fluffy and fragrant bun. Almost everyone could make bread with yeast. Therefore, they were bred to speed up bakery production. Now baker's yeast is an artificially bred fungus that can withstand high temperatures. When baking, it does not die.

Cooking technology

First, "gray yeast" is grown in a special laboratory. Gradually, food is added to them and waste products are removed. The mass of yeast is gaining gradually. About 100 tons of yeast milk can be grown in 14 days. After the yeast mass grows, it is processed. Processing includes filtering, pressing, drying or freezing. These processes produce liquid, active dry, pressed or semi-dry frozen yeast.

Sourdough or baker's yeast?

Sourdough is a piece of dough that began to ferment on its own as a result of yeast getting into it. Yeast particles enter the dough from the external environment (water, flour, dust, etc.). But there are also randomlactic acid bacteria, yeast cells, which, once in the environment, begin to actively multiply. When there are a lot of them in the dough, it can be used as a leaven. It is she who allows you to ferment the bulk of the dough. Thus, sourdough bread is also considered yeast bread. Industrial yeast for dough is obtained from various sources: natural and artificial. Most manufacturers prefer the latter option. The hostess also has a choice: use fast yeast or trust "random" yeast cells.

Baker's yeast: good or bad?

Yeast is fungus. In addition to harmless fermentation, they can affect individual organs and tissues, causing mycoses, allergies. This applies to individual fungi, which include saprophytic fungi (rot). If you look at the composition of baker's yeast, you can be horrified. They contain so many "E" chemical additives! What are the names “building lime”, “chemical formalin” worth! However, consumers should be aware that these are not the main, but auxiliary substances. Most of them are used in the production of yeast. Many of the ingredients listed on the packaging are needed to make yeast substrates. Other components are needed to create the optimal acidity of the medium necessary for the growth and reproduction of cells. Some of the ingredients listed on the packaging of the yeast mass are used to treat the premises where the final product is grown. Therefore, GOST is not as scary as it seems. Much worse than the actions of unscrupulous industrialists who seek to "facilitate" the technology of yeast production, thereby evading GOST.

Wine yeast

Wines need yeast to ferment. The first person to discover wine yeast and also describe the scheme of alcoholic fermentation was Louis Pasteur (French chemist). Before him, wine was also successfully prepared, but it was Louis who proved that yeast activity is necessary to convert sugar into alcohol. Thanks to the invention of the microscope, Pasteur was able to discover yeast as a causative agent of fermentation. The botanical name for the wine yeast mixture is Saccharomyces ellipsoideus. It is used in the manufacture of beer, bread. Yeasts also include many so-called races, each of which reacts differently to substances present in grape must and affects the quality of wine.

There are yeasts that are sensitive to alcohol. They only work up to 5% alcohol. When they die, other species take over their work. There are wine yeasts that react sensitively to heat, resulting in the production of large amounts of hydrogen sulfide. Because of this, the wine can acquire an unpleasant smell. There are also flavored yeasts, as well as a specially bred race for specific wines. All this is taken into account by winemakers in the process of producing drinks.

Wine fermentation

When the temperature regime is +15 °C, yeast actively reproduces. This happens as long as there is a processing of sugars. When the wine gets dry, the yeast dies and settles to the bottom.vessel. If you do nothing, the wine will ferment itself completely. Winemakers should be aware that alcohol is an enemy of yeast. If its content in wine reaches 15%, the yeast mixture dies. This phenomenon can often be observed in noble sweet wines. High temperatures always contribute to the rapid reproduction of yeast, and at low temperatures they become lethargic. The main thing in winemaking is that the fermentation process does not end. Otherwise, the wine will be spoiled. Most winemakers now use specially bred cultures instead of natural yeasts.

Beer yeast

Many are interested in the question: "How to make brewer's yeast?" But before answering it, you need to find out what kind of product it is and how it differs from the wine counterpart. Yeast mixtures are actively used in brewing and bread production. Now the popularity of brewer's yeast is very high. In pharmacies, they can be seen in the form of tablets or powder. They are used for medical purposes. Brewer's yeast is prepared by fermenting beer wort, which is obtained from high-quality hops, barley m alt. In liquid form, the product is practically not sold due to its short shelf life: liquid yeast must be sold within the first 8 hours. Therefore, they can often be seen in a dry state - in the form of dietary supplements. The cooking process at home is described below.

Benefits of brewer's yeast

Beer yeast is used for medical and cosmetic purposes. Reviews of people using the product in preventivepurposes, only positive ones. Brewer's yeast can really help. The product activates metabolic processes in the body, replenishes the deficiency of fats, proteins, vitamins. Brewer's yeast increases the defenses of the human body. And they strengthen hair, nails, cleanse the skin. Doctors recommend taking brewer's yeast for many diseases and pathological conditions, such as:

• violation of metabolic processes;
• lack of B vitamins;
• diseases of the digestive system;
• anemia;
• eczema, purulent rash;
• hypertension;
• atherosclerosis;
• after the flu, sore throats.

Natural product allows you to normalize various processes in the body and compensates for the lack of nutrition. Brewer's yeast has three contraindications for use: hypersensitivity to it, gout, kidney failure.

Cooking brewer's yeast

Let's start answering the question: "How to make brewer's yeast yourself?"

Recipe 1. It is necessary to mix 1 glass of water and flour and leave the mixture for 7 hours. Next, you should add a large spoonful of sugar and a glass of natural beer, which has a shelf life of no more than 2 weeks. The resulting mixture should stand in a warm place for a couple of hours. Brewer's yeast is ready. They can be placed in a covered glass container, stored in the refrigerator and used as needed.

Recipe 2. It is necessary to take 200 g of raisins, put it in a glass vessel with a wide mouth. Raisins are poured with milk and warm water. Next to itadd some sugar. The neck of the bottle is tied with gauze folded in 4 layers. The mixture is left in a warm place for 5 days.

Recipe 3. On a fine grater, grate 2 raw potatoes, add s alt (a teaspoon), sugar and water (1 large spoon each). The ingredients must be thoroughly mixed and set for 5 hours for subsequent fermentation.

Yeast recipes for pies

When there is no ready-made yeast at home, they can be replaced with homemade sour sourdough. The recipe for homemade yeast is simple. It is necessary to take 200 g of flour, add water to it and knead the dough in the form of a small ball. The resulting bun must be rolled in flour and left in this form for several days. This time will be enough for the dough to become sour, hard and dry. Yeast for pies is ready. Homemade sour sourdough can be used as a baking powder for making bakery products. Sour sourdough is also prepared using store-bought yeast. To do this, pour water (2 liters) into a saucepan, pour 40 g of yeast mixture and flour into it in such an amount that the dough is of medium density. In the pan, it should come up, and then settle. The resulting sourdough can be used to make bread.

"Unusual" yeast recipes

Yeast for dough can be prepared using potatoes. To do this, you need to take 10 potatoes, a tablespoon of flour, 1 large spoon of honey and 25 g of vodka. Potatoes should be peeled and boiled in water. While still hot, rub them through a sieve, addflour, honey and vodka. Foam should form. It must be poured into a bottle, let it brew, and then taken out to a cold place. After a day, the yeast will be ready for use.

The easiest yeast mixture is made from peas. To do this, ordinary peas need to be crushed and boiled in water, and then transferred to a warm room. After two days, a thick foam should appear on the surface of the broth. She will replace the yeast. Only for the preparation of baking such foam will take a lot.

Yeast in cosmetology

Homemade and brewer's yeast can help preserve beauty for years to come. For cosmetic purposes, it is better to use brewer's yeast. Based on them, it is recommended to prepare various masks.

• Face mask. To prepare it, you need 10 g of brewer's yeast and a small amount of kefir. The two ingredients should be thoroughly mixed until the consistency of non-liquid sour cream. The resulting mask can be kept on the skin for about 20 minutes. This mask is great for oily skin. It also helps with acne.
• Hair mask to help get rid of dandruff. You need to take 1 large spoon of brewer's yeast, dissolve it in one glass of kefir. The resulting mixture should be left in a warm room for several hours. The finished yeast mask should be applied to the hair and wrap the head with a film. The mask is kept in this state for 30 minutes. Next, it must be washed off with water.
• Body mask. To prepare it, you need to take dry brewer's yeast (15 g), 4 small tablespoons of honey and cream. Yeast shoulddilute in cream, and when they disperse a little, add honey to them. The resulting mass should stand for 20 minutes. Then it should be applied to the skin of the body for 15 minutes, then rinse with warm water. A yeast mask with honey nourishes the skin, making it elastic, and also tightens pores and stimulates blood circulation. Yeast works miraculously on the skin. Regular use of masks based on them allows you to maintain a charming look and prolong youth.