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Lactic acid is used as a food preservative, curing agent, and flavoring agent. [51] It is an ingredient in processed foods and is used as a decontaminant during meat processing. [52] Lactic acid is produced commercially by fermentation of carbohydrates such as glucose, sucrose, or lactose, or by chemical synthesis. [51]
Lactic acid fermentation is a metabolic process by which glucose or other six-carbon sugars (also, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are converted into cellular energy and the metabolite lactate, which is lactic acid in solution. It is an anaerobic fermentation reaction that occurs in some bacteria and animal cells ...
Because the lactic acid is derived from plant sources and not from milk or milk products, it does not contain any residual lactose. Therefore, people who are lactose intolerant can consume lactylates without concern. [5] Lactylates, in the free acid form, are not readily water dispersable.
Such dairy-type lactic acid generally goes back into dairy products, such as ice cream and cream cheese, [14] rather than into non-dairy products. Moreover, although the lactic-acid starter culture to ferment corn or beets may contain milk, [ 4 ] sodium lactate does not contain milk protein and need not be restricted by someone avoiding milk or ...
Further fermentation and aging converts the remaining lactose into lactic acid; traditionally made hard cheeses, which have a long ripening period, contain virtually no lactose: [57] cheddar contains less than 1.5% of the lactose found in an equivalent mass of milk. [50]
Cori cycle. The Cori cycle (also known as the lactic acid cycle), named after its discoverers, Carl Ferdinand Cori and Gerty Cori, [1] is a metabolic pathway in which lactate, produced by anaerobic glycolysis in muscles, is transported to the liver and converted to glucose, which then returns to the muscles and is cyclically metabolized back to lactate.
Soured milk. Soured milk denotes a range of food products produced by the acidification of milk. Acidification, which gives the milk a tart taste, is achieved either through bacterial fermentation or through the addition of an acid, such as lemon juice or vinegar. The acid causes milk to coagulate and thicken, inhibiting the growth of harmful ...
Lactose, or milk sugar, is a disaccharide composed of galactose and glucose and has the molecular formula C 12 H 22 O 11.Lactose makes up around 2–8% of milk (by mass). The name comes from lact (gen. lactis), the Latin word for milk, plus the suffix -ose used to name sugars.