- For a biological class of organisms, see Yeast.
In bread production, yeast cells turn carbohydrates into carbon dioxide, which causes the dough to expand or rise, and alcohol, most of which evaporates during baking. The use of potatoes, water from potato boiling, eggs, or sugar in a bread dough accelerates the growth of yeasts. Salt and fats such as butter slow down yeast growth. Wikipedia does not have an article with this exact name. ...
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Look up cell in Wiktionary, the free dictionary. ...
Lactose is a disaccharide found in milk. ...
Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ...
Binomial name Solanum tuberosum L. The potato (Solanum tuberosum) is a perennial plant of the Solanaceae, or nightshade, family, commonly grown for its starchy tuber. ...
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Magnification of typical sugar showing monoclinic hemihedral crystal stucture. ...
Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with the formula NaCl. ...
Fats is the plural for fat, a generic term for a class of lipids in biochemistry. ...
Butter is commonly sold in sticks (pictured) or small blocks, and frequently served with the use of a butter knife. ...
Baker's yeast comes in two forms. The first form, compressed yeast, is fresh yeast pressed into a square cake. This form perishes quickly, and must be used soon after production in order to maintain the desired effects. Dry yeast is granulated and has a longer shelf life than fresh yeast. In the production of beer or wine, sugar is converted into alcohol by yeast. Granular synthesis is a sound synthesis method for digital musical instruments (synthesizers) that operates on the microsound time scale. ...
A weak solution of water and sugar can be used to determine if yeast is expired. When dissolved in the solution, active yeast will foam and bubble as it digests the sugar and converts it into carbon dioxide. This article describes water from a scientific and technical perspective. ...
The majority of the yeast used in baking is of the species Saccharomyces cerevisiae, the same species common in alcoholic fermentation. Binomial name Saccharomyces cerevisiae Meyen ex E.C. Hansen Saccharomyces cerevisiae is a species of budding yeast. ...
Fermentation in progress Fermentation typically refers to the conversion of sugar to alcohol using yeast. ...
History
Yeast was first used to bake bread in Egypt in approximately the fourth millennium BC. Artifacts have been found that are associated with bread making, as well as drawings that depict bakeries. Prior to the use of yeast in baking, breads were typically unleavened. During this time, bread was seen as a luxury. (5th millennium BC – 4th millennium BC – 3rd millennium BC - other millennia) Events City of Ur in Mesopotamia (40th century BC). ...
I archaeology, an artifact or artefact is any object made or modified by a human culture, and often one later recovered by some archaeological endeavor. ...
Some theories state that yeast was discovered simply by being in the air and coming in contact with the unleavened bread being prepared. Another theory states that ale was used instead of water, and the yeast from the ale caused the bread to rise.
In 1859, Louis Pasteur discovered how yeast worked and explained fermentation in the making of beer. Louis Pasteur (December 27, 1822 – September 28, 1895) was a French microbiologist and chemist. ...
Today there are several retailers of baker's yeast, one of the best-known being Fleischmann’s Yeast, which was developed in 1868. During World War II Fleischmann's developed active dry yeast, which did not require refrigeration. The company created yeast that would rise twice as fast, cutting down on baking time. Combatants Major Allied powers: United Kingdom Soviet Union United States Republic of China and others Major Axis powers: Nazi Germany Italy Japan and others Commanders Winston Churchill Joseph Stalin Franklin Roosevelt Harry Truman Chiang Kai-Shek Adolf Hitler Benito Mussolini Hideki Tojo Casualties Military dead: 17,000,000 Civilian dead...
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