citric acid

citric acid
2-Hydroxypropane-1,2,3-tricarboxylic acid; the acid of citrus fruits, widely distributed in nature and a key intermediate in intermediary metabolism.

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cit·ric acid .si-trik- n a sour organic acid C6H8O7 occurring in cellular metabolism, obtained esp. from lemon and lime juices or by fermentation of sugars, and used as a flavoring

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an organic acid found naturally in citrus fruits. Citric acid is formed in the first stage of the Krebs cycle, the important energy-producing cycle in the body.

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cit·ric ac·id (sitґrik) a compound from citrus fruits that is an intermediate in the tricarboxylic acid (Krebs) cycle (q.v.). It chelates calcium ions and prevents blood clotting. [NF] anhydrous or monohydrated citric acid, used in the preparation of effervescent mixtures, as a synergist to enhance the action of antioxidants, and as an anticoagulant for stored whole blood and red cells and also for blood specimens.

Medical dictionary. 2011.

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  • Citric acid — Citric Cit ric, a. [Cf. F. citrique. See {Citron}.] (Chem.) Of, pertaining to, or derived from, the citron or lemon; as, citric acid. [1913 Webster] {Citric acid} (Chem.), an organic acid, {C3H4OH.(CO2H)3}, extracted from lemons, currants,… …   The Collaborative International Dictionary of English

  • citric acid — ► NOUN ▪ a sharp tasting acid present in the juice of lemons and other sour fruits. DERIVATIVES citrate noun …   English terms dictionary

  • Citric acid — E330 redirects here. For the locomotive, see FS Class E330. Citric acid …   Wikipedia

  • citric acid — a white, crystalline, water soluble powder, C6H8O7·H2O, a tribasic acid having a strong acidic taste, an intermediate in the metabolism of carbohydrates occurring in many fruits, esp. limes and lemons, obtained chiefly by fermentation of crude… …   Universalium

  • citric acid — noun A colourless crystalline compound, 2 hydroxy 1,2,3 propanetricarboxylic acid, CHO, found in citrous fruit; it is used as a food additive and in the manufacture of citrates. Syn: E330, antioxidant See Also …   Wiktionary

  • citric acid — [[t]sɪ̱trɪk æ̱sɪd[/t]] N UNCOUNT Citric acid is a weak acid found in many kinds of fruit, especially citrus fruit such as oranges and lemons …   English dictionary

  • citric acid — an organic acid found naturally in citrus fruits. Citric acid is formed in the first stage of the Krebs cycle, the important energy producing cycle in the body …   The new mediacal dictionary

  • citric acid — citrinų rūgštis statusas T sritis chemija formulė HOC(COOH)(CH₂COOH)₂ atitikmenys: angl. citric acid; lemon acid rus. лимонная кислота ryšiai: sinonimas – 2 hidroksi 1,2,3 propantrikarboksirūgštis …   Chemijos terminų aiškinamasis žodynas

  • Citric acid intolerance — is a little known type of food intolerance in which sufferers report various symptoms in response to foods or other products containing citric acid that they attribute neither to its properties as an acid nor to an Aspergillus niger… …   Wikipedia

  • Citric acid/potassium-sodium citrate — is a drug used in the treatment of metabolic acidosis (a disorder in which the blood is too acidic). External links * [http://www.cancer.gov/Templates/db alpha.aspx?CdrID=44328 Citric acid/potassium sodium citrate] entry in the public domain NCI… …   Wikipedia

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