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 — /sɪtrɪk ˈæsəd / (say sitrik asuhd) noun an organic acid containing three carboxyl groups, C6H8O7, occurring in small amounts in almost all living cells as a component of the tricarboxylic acid cycle, and in greater amounts in many fruits,… …   Australian-English dictionary

  • citric acid — noun a weak water soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent • Derivationally related forms: ↑citrate • Hypernyms: ↑acid • Substance Holonyms: ↑sour salt …   Useful english dictionary

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