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- Lactic_acid abstract "Lactic acid is an organic compound with the formula CH3CH(OH)CO2H. It is a white, water-soluble solid or clear liquid that is produced both naturally and synthetically. With a hydroxyl group adjacent to the carboxyl group, lactic acid is classified as an alpha hydroxy acid (AHA). In the form of its conjugate base called lactate, it plays a role in several biochemical processes.In solution, it can ionize a proton from the carboxyl group, producing the lactate ion CH3CH(OH)CO2−. Compared to acetic acid, its pKa is 1 unit less, meaning lactic acid deprotonates ten times more easily than acetic acid does. This higher acidity is the consequence of the intramolecular hydrogen bonding between the α-hydroxyl and the carboxylate group.Lactic acid is chiral, consisting of two optical isomers. One is known as L-(+)-lactic acid or (S)-lactic acid and the other, its mirror image, is D-(−)-lactic acid or (R)-lactic acid. A mixture of the two in equal amounts is called DL-lactic acid.Lactic acid is hygroscopic. DL-lactic acid is miscible with water and with ethanol above its melting point which is around 17 or 18 °C. D-lactic acid and L-lactic acid have a higher melting point.In animals, L-lactate is constantly produced from pyruvate via the enzyme lactate dehydrogenase (LDH) in a process of fermentation during normal metabolism and exercise. It does not increase in concentration until the rate of lactate production exceeds the rate of lactate removal, which is governed by a number of factors, including monocarboxylate transporters, concentration and isoform of LDH, and oxidative capacity of tissues. The concentration of blood lactate is usually 1–2 mmol/L at rest, but can rise to over 20 mmol/L during intense exertion.In industry, lactic acid fermentation is performed by lactic acid bacteria, which convert simple carbohydrates such as glucose, sucrose, or galactose to lactic acid. These bacteria can also grow in the mouth; the acid they produce is responsible for the tooth decay known as caries.In medicine, lactate is one of the main components of lactated Ringer's solution and Hartmann's solution. These intravenous fluids consist of sodium and potassium cations along with lactate and chloride anions in solution with distilled water, generally in concentrations isotonic with human blood. It is most commonly used for fluid resuscitation after blood loss due to trauma, surgery, or burn injury.".
- Lactic_acid iupacName "2-Hydroxypropanoic acid".
- Lactic_acid thumbnail Lactic-acid-skeletal.svg?width=300.
- Lactic_acid wikiPageExternalLink 16run.html.
- Lactic_acid wikiPageExternalLink 10022381.html.
- Lactic_acid wikiPageExternalLink lactic-acid.
- Lactic_acid wikiPageID "172474".
- Lactic_acid wikiPageLength "25598".
- Lactic_acid wikiPageOutDegree "156".
- Lactic_acid wikiPageRevisionID "682764360".
- Lactic_acid wikiPageWikiLink 1-Propanol.
- Lactic_acid wikiPageWikiLink 1-propanol.
- Lactic_acid wikiPageWikiLink 2-propanol.
- Lactic_acid wikiPageWikiLink 3-Hydroxypropionic_acid.
- Lactic_acid wikiPageWikiLink 3-hydroxypropanoic_acid.
- Lactic_acid wikiPageWikiLink Acetic_acid.
- Lactic_acid wikiPageWikiLink Acid.
- Lactic_acid wikiPageWikiLink Acid_base_homeostasis.
- Lactic_acid wikiPageWikiLink Acid_dissociation_constant.
- Lactic_acid wikiPageWikiLink Acids_in_wine.
- Lactic_acid wikiPageWikiLink Acid–base_homeostasis.
- Lactic_acid wikiPageWikiLink Acrolein.
- Lactic_acid wikiPageWikiLink Alanine_cycle.
- Lactic_acid wikiPageWikiLink Alpha_hydroxy_acid.
- Lactic_acid wikiPageWikiLink Ammonium_bicarbonate.
- Lactic_acid wikiPageWikiLink Anion.
- Lactic_acid wikiPageWikiLink Arterial_blood_sampling.
- Lactic_acid wikiPageWikiLink Biochemistry.
- Lactic_acid wikiPageWikiLink Biodegradable.
- Lactic_acid wikiPageWikiLink Biodegradable_plastic.
- Lactic_acid wikiPageWikiLink Biodegradation.
- Lactic_acid wikiPageWikiLink Blood.
- Lactic_acid wikiPageWikiLink Blood_sampling.
- Lactic_acid wikiPageWikiLink Blood_test.
- Lactic_acid wikiPageWikiLink Boehringer_Ingelheim.
- Lactic_acid wikiPageWikiLink Brain.
- Lactic_acid wikiPageWikiLink Brain_development.
- Lactic_acid wikiPageWikiLink Burn.
- Lactic_acid wikiPageWikiLink Burn_(injury).
- Lactic_acid wikiPageWikiLink Butyric_acid.
- Lactic_acid wikiPageWikiLink Cahill_cycle.
- Lactic_acid wikiPageWikiLink Carbohydrate.
- Lactic_acid wikiPageWikiLink Carbohydrates.
- Lactic_acid wikiPageWikiLink Carboxyl.
- Lactic_acid wikiPageWikiLink Carboxylic_acid.
- Lactic_acid wikiPageWikiLink Caries.
- Lactic_acid wikiPageWikiLink Carl_Wilhelm_Scheele.
- Lactic_acid wikiPageWikiLink Casein.
- Lactic_acid wikiPageWikiLink Catalysis.
- Lactic_acid wikiPageWikiLink Catalysts.
- Lactic_acid wikiPageWikiLink Category:Exercise_physiology.
- Lactic_acid wikiPageWikiLink Category:Food_acidity_regulators.
- Lactic_acid wikiPageWikiLink Category:Hydroxy_acids.
- Lactic_acid wikiPageWikiLink Category:Preservatives.
- Lactic_acid wikiPageWikiLink Cation.
- Lactic_acid wikiPageWikiLink Cerebro-spinal_fluid.
- Lactic_acid wikiPageWikiLink Cerebrospinal_fluid.
- Lactic_acid wikiPageWikiLink Childbirth.
- Lactic_acid wikiPageWikiLink Chirality_(chemistry).
- Lactic_acid wikiPageWikiLink Chloride.
- Lactic_acid wikiPageWikiLink Citric_acid_cycle.
- Lactic_acid wikiPageWikiLink Commerce.
- Lactic_acid wikiPageWikiLink Conjugate_acid.
- Lactic_acid wikiPageWikiLink Cori_cycle.
- Lactic_acid wikiPageWikiLink Cosmetics.
- Lactic_acid wikiPageWikiLink Cottage_cheese.
- Lactic_acid wikiPageWikiLink Dental_caries.
- Lactic_acid wikiPageWikiLink Disinfectant.
- Lactic_acid wikiPageWikiLink E_number.
- Lactic_acid wikiPageWikiLink Enzyme.
- Lactic_acid wikiPageWikiLink Exercise.
- Lactic_acid wikiPageWikiLink Extracellular_fluid.
- Lactic_acid wikiPageWikiLink Fermentation.
- Lactic_acid wikiPageWikiLink Fermentation_(biochemistry).
- Lactic_acid wikiPageWikiLink Fetal_scalp_blood_testing.
- Lactic_acid wikiPageWikiLink File:Blood_values_sorted_by_mass_and_molar_concentration.png.
- Lactic_acid wikiPageWikiLink Food_additive.
- Lactic_acid wikiPageWikiLink GABA.
- Lactic_acid wikiPageWikiLink Galactose.
- Lactic_acid wikiPageWikiLink Gamma-Aminobutyric_acid.
- Lactic_acid wikiPageWikiLink Glia.
- Lactic_acid wikiPageWikiLink Gluconeogenesis.
- Lactic_acid wikiPageWikiLink Glucose.
- Lactic_acid wikiPageWikiLink Glyceraldehyde_3-phosphate.
- Lactic_acid wikiPageWikiLink Glycogen.
- Lactic_acid wikiPageWikiLink Glycolic_acid.
- Lactic_acid wikiPageWikiLink Hartmanns_solution.
- Lactic_acid wikiPageWikiLink Human.
- Lactic_acid wikiPageWikiLink Hydroxybutyric_acid.
- Lactic_acid wikiPageWikiLink Hydroxyl.
- Lactic_acid wikiPageWikiLink Hygroscopy.
- Lactic_acid wikiPageWikiLink Inhibitory.
- Lactic_acid wikiPageWikiLink Inhibitory_postsynaptic_potential.
- Lactic_acid wikiPageWikiLink Intravenous.
- Lactic_acid wikiPageWikiLink Intravenous_therapy.
- Lactic_acid wikiPageWikiLink Ion.
- Lactic_acid wikiPageWikiLink Isopropyl_alcohol.
- Lactic_acid wikiPageWikiLink Isotonicity.
- Lactic_acid wikiPageWikiLink Johannes_Wislicenus.
- Lactic_acid wikiPageWikiLink Jöns_Jacob_Berzelius.