For Lactic acid we have terms and definitions in 15 topics. The topics are Beauty, Beer Brewing, Bodybuilding, Cosmetics, Dairy Production, Fitness, Fitness Testing, Food, Health and Beauty, Ice Hockey, Medical, Nutrition, Physical Education, Spa and Swimming.

Lactic Acid (Beauty)

Dermalogica uses a lactic acid derived from molasses to retexturize the skin’s surface and to stimulate cell renewal. Lactic acid is an alpha hydroxy acid with three carbons, thus it helps diminish the cohesion of surface skin cells (assists in cell detachment from the lower layers of the stratum corneum) and prevents the thickening of the stratum corneum. This results in smoother more flexible skin. Lactic Acid also has a larger molecular size than glycolic acid and is absorbed more gradually across the epidermis with less irritation.

Lactic Acid (Beer Brewing)

An organic acid, which gives spoiled milk its sourness. Small amounts of pure lactic acid are commonly used as a brewing water additive, to reduce pH. Certain types of bacterial infections may produce large quantities of lactic acid during fermentation, imparting a distinct sour flavor to the finished beer. In certain styles of beer (e.g. Lambic, Berliner Weisse, Oud Bruin) some lactic sourness is a desirable characteristic.

Lactic Acid (Bodybuilding)

Byproduct created by a lack of oxygen flow to the working muscles. Lactic acid is created by anaerobic activities such as weight training exercises. It is believed that its presence causes a surge in growth hormone levels.

Lactic Acid (Cosmetics)

Lactic acid is a natural ingredient in the body that moisturizes the skin.

Lactic Acid (Dairy Production)

Acid produced by bacterial fermentation of lactose in milk.

Lactic Acid (Fitness)

A product given off during aerobic perspiration. For example, when you are jogging on a treadmill your system must continue to deliver oxygen to your muscles. A chemical in your body called pyruvic acid which comes from the breakdown of glucose (blood sugar) mixes with oxygen and produces carbon dioxide, water, and ATP. When there is not enough oxygen in the muscles because you are working out so hard, the pyruvic acid is now converted to lactic acid (lactate). As the lactate is produced in the muscles it leaks out into the blood and is carried around the body. If this condition continues the functioning of the body will become impaired and the muscles will fatigue very quickly. This point is often measured as the lactic threshold or anaerobic threshold or onset of blood lactate accumulation (OBLA). When oxygen becomes available the lactic acid is converted to pyruvic acid and then into carbon dioxide, water and ATP.

Lactic Acid (Fitness Testing)

Anaerobic exercise produces lactic acid, which quickly forms lactate in the muscles. because of this, the terms "lactate" and "lactic acid" are often used interchangeably.

Lactic Acid (Food)

A bitter-tasting acid that forms when certain bacteria combine with Lactose (milk Sugar). Lactic acid is used to impart a tart flavor, as well as in the preservation of some foods. It occurs naturally in the souring of milk and can be found in foods such as cheese and yogurt. It's also used in the production of acid-fermented foods such as pickles and sauerkraut.

Lactic Acid (Health and Beauty)

Dermalogica uses a lactic acid derived from molasses to retexturize the skin’s surface and to stimulate cell renewal. Lactic acid is an alpha hydroxy acid with three carbons, thus it helps diminish the cohesion of surface skin cells (assists in cell detachment from the lower layers of the stratum corneum) and prevents the thickening of the stratum corneum. This results in smoother more flexible skin. Lactic Acid also has a larger molecular size than glycolic acid and is absorbed more gradually across the epidermis with less irritation.

Lactic Acid (Ice Hockey)

Lactic acid builds up in the muscles as a byproduct of oxygen use and can cause cramping. Aerobic conditioning can prevent excessive lactic acid build up.

Lactic Acid (Medical)

An acid produced by glucose-burning cells when these cells have an insufficient supply of oxygen

Lactic Acid (Nutrition)

An acid that results from anaerobic glucose metabolism. It is present in certain foods, including certain fruits and sour milk (when milk becomes sour, this means that some of the lactose, or milk sugar, it contained has been converted into lactic acid). Lactic acid is also produced in he muscles during anaerobic exercise. It is the buildup of lactic acid that causes muscle fatigue during strenuous activity. Synthetic lactic acid is used in food products as a flavoring and preservative.

Lactic Acid (Physical Education)

A product that accumulates in muscles as a result of anaerobic glycolysis.

Lactic Acid (Spa)

A naturally occurring substance in the skin and is produced by our muscles when we work out. Lactic acid build up is in fact what gives muscles cramping when they are over exerted. The most common acids used in skin care are lactic acid and glycolic acid. Those people who are allergic to the more commonly found glycolic acids should do very well with lactic acid products because they are a naturally occurring substance in the skin.

Lactic Acid (Swimming)

When training or racing the body will breakdown muscle sugar (glycogen) using a process that produces an acidic by-product waste called lactate acid. The muscles may start to burn or ache as lactic acid accumulates and your body can’t keep up with removing it from your muscle stores.

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