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Topic: Lactic acid


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In the News (Sun 26 May 19)

  
  Lactic Acid
Lactic acid has been blamed for soreness, injury to muscles, cramps, oxygen debt, etc. Lactic acid really is not so bad.
Lactic acid can also be used as an important fuel or as a source for glucose and glycogen synthesis.
The removal of accumulated lactic acid helps avert excessively high levels, and the conversion of lactate into glucose helps maintain sufficient levels of blood glucose, which is important during prolonged exercise.
tkdtutor.com /11Training/LacticAcid.htm   (1556 words)

  
  Lactic Acid - LoveToKnow 1911
It may be prepared by the lactic fermentation of starches, sugars, gums, andc., the sugar being dissolved in water and acidified by a small quantity of tartaric acid and then fermented by the addition of sour milk, with a little putrid cheese.
27); by the oxidation of propylene glycol (A. Wurtz); by boiling a-chlorpropionic acid with caustic alkalis, or with silver oxide and water; by the reduction of pyruvic acid with sodium amalgam; or from acetaldehyde by the cyanhydrin reaction (J. Wislicenus, Ann., 1863, 128, p.
Chromic acid oxidizes it to acetic acid and carbon dioxide; potassium permanganate oxidizes it to pyruvic acid; nitric acid to oxalic acid, and a mixture of manganese dioxide and sulphuric acid to acetaldehyde and carbon dioxide.
www.1911encyclopedia.org /Lactic_Acid   (415 words)

  
 Reference.com/Encyclopedia/Lactic acid
Lactic acid (IUPAC systematic name: 2-hydroxypropanoic acid), also known as milk acid, is a chemical compound that plays a role in several biochemical processes.
Lactic acid is primarily found in sour milk products, such as: koumiss, leban, yogurt, kefir and some cottage cheeses.
Lactic acid may also be found in various processed foods, usually either as a pH adjusting ingredient, or as a preservative (either as antioxidant or for control of pathogenic micro-organisms).
www.reference.com /browse/wiki/Lactic_acid   (951 words)

  
 lactic acid. The Columbia Encyclopedia, Sixth Edition. 2001-05
Lactic acid is a fermentation product of lactose (milk sugar); it is present in sour milk, koumiss, leban, yogurt, and cottage cheese.
Lactic acid is produced in the muscles during intense activity.
Lactic acid is produced commercially for use in pharmaceuticals and foods, in leather tanning and textile dyeing, and in making plastics, solvents, inks, and lacquers.
www.bartleby.com /65/la/lacticac.html   (201 words)

  
 Lactic Acid (page 1)
Lactic acid has been blamed for soreness, injury to muscles, cramps, oxygen debt, etc. Lactic acid really is not so bad.
Lactic acid is the breakdown product of glucose and glycogen produced during a process called glycolysis.
In essence, lactic acid is a glucose molecule cut in half.
www.tkdtutor.com /11Training/LacticAcid/LacticAcid01.htm   (770 words)

  
 Fermented and vegetables. A global perspective. Chapter 5.
The lactic acid bacteria are a diverse group of organisms with a diverse metabolic capacity.
Lactic acid bacteria are the primary group of organisms involved in sauerkraut fermentation.
The rapidity of the fermentation is correlated with the concentration of salt in the brine and its temperature.
www.fao.org /docrep/x0560e/x0560e10.htm   (5720 words)

  
 Lactic acid Summary
Lactic acid is utilized for the reformation of glucose in the process of gluconeogenesis and this occurs in the liver.
Lactic acid, or 2-Hydroxypropanoic acid, is one of a family of organic carboxylic acids produced by biological organisms.
Lactic acid is produced in active muscle tissue from the break down of glycogen, a carbohydrate used as an energy source for muscle movement.
www.bookrags.com /Lactic_acid   (2286 words)

  
 Biotech Route to Lactic Acid/ Polylactic Acid - Market Size, Market Share and Demand Forecast;
Global lactic acid demand was around 86,000 tons in 2001 with the market dominated by the food and beverage sector and the personal care industry.
Lactic acid or 2-hydroxypropionic acid is an "Alpha-Hydroxy-acid" (AHA) and was discovered by the Swedish Scientist Scheel in 1780 being first isolated from sour milk.
Lactic acid is mainly consumed in foodstuffs where it plays an important role in food preservation, shelf life and flavor enhancement/control.
nexant.ecnext.com /coms2/summary_0255-130_ITM   (987 words)

  
 Lactic acid test
Lactic acid is an acid produced by cells during chemical processes in the body that do not require oxygen (anaerobic metabolism).
The lactic acid test is used as an indirect assessment of the oxygen level in tissues and to determine the cause and course of lactic acidosis.
Lactic acid (present in the blood as lactate ion) is a product of the breakdown of glucose to generate energy.
www.lifesteps.com /gm/Atoz/ency/lactic_acid_test_pr.jsp   (823 words)

  
 LIMW Lactic Acid Bacteria
Lactic acid bacteria are a group of related bacteria that produce lactic acid as a result of carbohydrate fermentation.
Lactic acid bacteria are used in the food industry for several reasons.
Lactic acid bacteria are those which form very small colonies, and test negative for catalase, an enzyme which helps detoxify hydrogen peroxide in a cell.
serc.carleton.edu /microbelife/k12/LIMW/lactic_acid.html   (992 words)

  
 Lactic Acid   (Site not responding. Last check: )
Lactic acid, from the Latin word for milk - lactis (see more), is found in wine due to microbial attack on various substrates.
The main source of lactic acid in wine is from the conversion of malic acid.
Lactic acid is a stable acid but an expensive and weak acid, hence not the choice for acid additions.
www.monashscientific.com.au /LacticAcid.htm   (114 words)

  
 Lactic Acid
Lactic acid is a natural by-product of anaerobic exercise and, no, it’s not all bad – but we still want to limit it’s production at certain times in the training cycle.
At first this is no problem as the lactic acid is produced at a rate which can be used by the aerobic muscle fibers as a fuel, buffered by the chemicals released in the cell or cleared from the cell and taken away by the blood vessels.
Lactic acid that cannot be buffered in the muscle cell or used by the aerobic muscle cells as a fuel is cleared from the muscle and swept away by the capillaries.
www.lagrange.org /articles/Y05M05/a-lacticacid-rf.htm   (1337 words)

  
 Lactic Acid
Lactic acid (α-hydroxypropanoic acid, AHA) is a chemical compound that plays a role in several biochemical processes.
While lactic acid accumulation is one of the limiting factors in exercise, Delayed onset muscle soreness, which becomes apparent more than 24 hours after exercising, is not (as was once thought) caused by lactic acid buildup.
Lactic acid fermentation can occur in red blood cells, because they lack mitochondria, and in skeletal muscle during intense exertion and when sufficient amounts of oxygen cannot be supplied fast enough.
www.freeinfoprovider.com /moreinfo.php?topic=LacticAcid   (523 words)

  
 LACTIC ACID
In brief, Lactic Acid's entry among Acidulants is a recent one but it has proved to be more effective, tasteful and a strong preservative of eatable/food products for a pretty long period comparatively and because of having many more merits and versatile usages, Lactic Acid has gained much more popularity.
Lactic Acid is widely used in preserving fruits like the firmness of apple slices during processing and it also inhabitates discoloration of fruits and some vegetables.
In breweries Lactic Acid is used for pre-adjustments during the mashing process and during wort cooking.
www.bmindia.com /bm/chemical/lactic.htm   (397 words)

  
 Galactic... The Lactic Acid Universe
Lactic Acid is the smallest chemical molecule with an asymmetric carbon and therefore exists with two stereo-isomers : the L(+) and the D(-).
From basic lactic acid it is then possible to synthetise lactates salts and lactate esters.
Pharmaceutical and food industries show preference for the L(+) lactic acid and lactates because the D(-) form is not metabolised by the human body.
www.lactic.com /lactic_acid.html   (209 words)

  
 Lactic Acid | World of Scientific Discovery
Lactic acid is an organic acid typically derived from sugar through a process known asfermentation.
Lactic acid is commonly found in foods that have fermented.
A repeating portion of the intermediary reactions in which citric acid is converted to oxaloacetic acid is known as the citric acid cycle or the Krebs cycle, named for its discoverer.
www.bookrags.com /research/lactic-acid-wsd   (534 words)

  
 Endurance Enhancing Supplements-Whole Body Nutrition-Enzyme Therapy - Lactic Acid   (Site not responding. Last check: )
The expression "lactic acid" is used most commonly by athletes to describe the intense pain felt during exhaustive exercise, especially in events like the 400 metres and 800 metres.
The lactic acid system is capable of releasing energy to resynthesise ATP without the involvement of oxygen and is called anaerobic glycolysis.
This point is often measured as the lactic threshold or anaerobic threshold or onset of blood lactate accumulation (OBLA).
www.pureendurance.net /lactic_acid   (1881 words)

  
 Lactic Acid Yeast. Organic Whole Food Supplements - MyVits.com   (Site not responding. Last check: )
Lactic acid is also present in large quantity in sour milk.
Raw milk turns sour when the lactic acid bacillus, which is already present in the milk, changes the milk sugar to lactic acid.
The lactic acid produced by the action of the lactic acid bacillus on the milk sugar preserves the milk.
myvits.com /catalog/info/lactic_acid_yeast.asp   (513 words)

  
 Background Information The lactic Acid Bacteria
Lactic acid bacteria have the property of producing lactic acid from sugars by a process called fermentation.
Whereas L(+) lactic acid is completely and rapidly metabolized in glycogen synthesis, D(-) lactic acid is metabolized at a lesser rate, and the unmetabolized acid is excreted in the urine.
Lactic acid, by lowering the pH of the intestinal environment to 4 to 5, inhibits the growth of putrefactive organisms and E.
www.lactospore.com /back.htm   (880 words)

  
 Lactic Acid
Lactic acid is ONE of the 'waste byproducts' resulting from the chemical reactions that result in muscle contraction.
An increase in the lactic acid burn in the exercised muscle is a good indicator that you are "pushing it" enough to optimize hormonal secretions.
Lactic Acid burn is in the true physiological sense is a misnomer.
www.csmngt.com /lactic_acid.htm   (2240 words)

  
 Lactic Acid
The expression "lactic acid" is used most commonly by athletes to describe the intense pain felt during exhaustive exercise, especially in events like the 400 metres and 800 metres.
The lactic acid system is capable of releasing energy to resynthesise ATP without the involvement of oxygen and is called anaerobic glycolysis.
The aim is to saturate the muscles in lactic acid in order to educate the body's buffering mechanism (alkaline) to deal with it more effectively.
www.brianmac.co.uk /lactic.htm   (1826 words)

  
 Lactic Acid
The expression "lactic acid" is used most commonly by athletes to describe the intense pain felt during exhaustive exercise, especially in events like the 400 metres and 800 metres.
The lactic acid system is capable of releasing energy to resynthesise ATP without the involvement of oxygen and is called anaerobic glycolysis.
The normal amount of lactic acid circulating in the blood is about 1 to 2 millimoles/litre of blood.
www.brianmac.demon.co.uk /lactic.htm   (1626 words)

  
 lactic acid - Encyclopedia.com
Enhancing immunity by dietary consumption of a probiotic lactic acid bacterium (Bifidobacterium lactis HN019): optimization and definition of cellular immune responses.
Prospects for lactic acid are healthy as demand for all end uses grows.
Lactic acid at work Often blamed for workout woes; this metabolic molecule is a potent energy source.(Health & Fitness)
www.encyclopedia.com /doc/1E1-lacticac.html   (562 words)

  
 lactic acid |┬álactate
Unfortunately, lactic acid ends up getting the rap, despite trying to emulate its cousin; when trying to contribute to energy production at higher exercise intensities, its rate of production ultimately exceeds its rate of clearance, resulting in a loss of muscle power, pain and eventual exercise cessation.
The pain that accompanies lactic acid is thought to result from the irritant effect of acidic muscles on nerve endings.
Lactic acid is also believed to ‘irritate’ the central nervous system, leading to feelings of nausea and disorientation.
www.pponline.co.uk /encyc/lactic-acid.html   (2408 words)

  
 Lactic acid test
Lactic acid is an acid produced by cells during chemical processes in the body that do not require oxygen (anaerobic metabolism).
The lactic acid test is used as an indirect assessment of the oxygen level in tissues and to determine the cause and course of lactic acidosis.
Lactic acid (present in the blood as lactate ion) is a product of the breakdown of glucose to generate energy.
www.healthatoz.com /healthatoz/Atoz/ency/lactic_acid_test.jsp   (764 words)

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