Fermentation

Chemical process in which molecules such as fermentation and glucose decompose under anaerobic conditions. More broadly, fermentation is the bubble that occurs during the manufacturing process of wine and beer, which is a process of at least 10,000 years. Foaming is caused by the generation of carbon dioxide, but it was not allowed until the 17th century. French chemist and microbiologist Luis Pasteur explored the changes of yeast and other microorganisms growing without air and air using the narrow scale fermentation in the 19th century. The only product of fermentation

In the 1920s, in the absence of air, muscle extract catalyzed the formation of lactic acid from glucose and it was found that muscle produced the same intermediate compound as formed by muscle fermentation. Therefore, the fermentation reaction is not specific to the action of yeast, but it also occurs in many other glucose applications.

Glycolysis and degradation of sugar was defined as about 1930 when sugar was originally metabolized into lactic acid. It can be further defined as a characteristic of cells in which hexose glucose is decomposed into two molecular 3-carbon organic acids, pyruvic acid (pyruvic acid in non-ionized form), generally in the form of fermentation, combined with chemical energy transfer. Synthesis of adenosine triphosphate (ATP) Pyruvate can then be oxidized by a tricarboxylic acid cycle in the presence of oxygen or reduced to lactic acid, alcohol or other products in the absence of oxygen. The sequence from glucose to pyruvic acid is called the Embden-Meierhof path, named after two German biochemists who analyzed experimentally, assuming a series of important steps from the late 1920s to the 1930s Often it is.

This term now refers to the intracellular enzyme catalytic energy production pathway involving anaerobic degradation of molecules such as glucose. In most cells, the enzyme is present in the soluble part of the cytoplasm. Thus, reactions leading to the formation of ATP and pyruvate are common in sugar conversion in muscle, yeast, several bacteria and plants.

The industrial fermentation process starts with specific conditions such as careful adjustment of the appropriate microorganism and nutrient concentration. There are various kinds of products: alcohol from various sugar yeast fermentation, glycerin and carbon dioxide; butanol, acetone, lactic acid, sodium glutamate and acetic acid from various bacteria, citric acid, gluconic acid and small amount antibiotics in mold fermentation Substance, Vitamin B 12 and Riboflavin (Vitamin B 2). Ethanol produced by fermentation of starch or sugar is an important source of liquid biofuels.

Hydrogen is produced in many kinds of fermentation (mixed acid fermentation, butyric acid fermentation, hexanoic acid fermentation, butanol fermentation, glyoxylic acid fermentation) as means for regenerating NAD + from NADH. Electrons migrate to ferredoxin, and ferredoxin is oxidized by hydrogenase to produce H2. Hydrogen is a substrate for methane products and sulfate reducing agents, which keeps the hydrogen concentration low and promotes the production of this high energy compound, but it produces a considerably high concentration of hydrogen like fullness.

Fermentation tendency: Saccharomyces cerevisiae tends to ferment very strongly, breathing only when the concentration of fermentable sugar is very low and oxygen is present (1). In the beer production process, since wort usually provides a large amount of fermentable sugar, yeast will ferment rather than breathe, regardless of oxygen concentration. Since ethanol production during fermentation is toxic to other microorganisms, it contributes to the survival of yeast

Fermentation is a metabolic process that consumes sugar in the absence of oxygen. Products are organic acid, gas or alcohol. It also occurs in hypoxic muscle cells such as yeast, bacteria, and lactic acid fermentation. Fermentation science is called enzymology. In microorganisms, fermentation is the main means of producing ATP by anaerobic decomposition of organic nutrients. Since the Neolithic Age, humans produced fermentation and produced food and drinks. For example, fermentation is used for the preservation of lactic acid such as cucumber pickles, kimchi, wine, yoghurt etc. (see Fermentation in Food Processing), for the production of alcoholic beverages such as wine (see wine). Fermentation and beer in the wine manufacturing process. Fermentation is done in the gastrointestinal tract of all animals, including humans