Definition of Citric acid

1. Noun. A weak water-soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent.

Substance meronyms: Sour Salt
Generic synonyms: Acid
Derivative terms: Citrate

Definition of Citric acid

1. Noun. (organic compound) A colourless crystalline compound, 2-hydroxy-1,2,3-propanetricarboxylic acid, C6H8O7, found in citrous fruit; it is used as a food additive and in the manufacture of citrates. ¹

¹ Source: wiktionary.com

Medical Definition of Citric acid

1. An important intermediate in the citric acid cycle which breaks down glucose into water and carbon dioxide when oxygen is present. The acid contains three carboxyl groups, has the chemical formula of C6H8O7, and is found in citrus fruits (oranges, grapefruit, lemons, etc.). It is used as an antioxidant and as artificial flavouring in commercially-processed foods. (09 Oct 1997)

Lexicographical Neighbors of Citric Acid

citrate (si)-synthase
citrate aldolase
citrate cleavage enzyme
citrate intoxication
citrate lyase
citrate permease
citrate synthase
citrated
citrated calcium carbimide
citrates
citrating
citration
citrations
citreous
citric
citric acid (current term)
citric acid cycle
citric acid urine test
citriculture
citricultures
citriculturist
citriculturists
citridesmolase
citrin
citrination
citrinations
citrine
citrines
citrinin
citrinins

Literary usage of Citric acid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Standard methods of chemical analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"One cc. X/l acid =0.06003 gram CH3COOH. citric acid The free acid may be titrated with sodium hydroxide, using phenolphthalein indicator. One cc. ..."

2. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"citric acid is tribasic, and forma in consequence three classes of salte. ... Solutions of citric acid are rapidly destroyed by fungi. ..."

3. Elements of Chemistry: Including the Recent Discoveries and Doctrines of the by Edward Turner (1835)
"citric acid crystallizes in cooling from a hot saturated solution in crystals ... citric acid is characterized by its flavour, by the form of its crystals, ..."

4. Manual of Qualitative Chemical Analysis by C. Remigius Fresenius, Samuel William Johnson (1880)
"The CITRATES with alkali base, whether normal or acid, are readily soluble in water; solution of citric acid therefore ia not precipitated by potassium ..."

5. System of Theoretical and Practical Chemistry by Friedrich Christian Accum (1808)
"PART C. CITRIC acid exists in the juice of lemons and oranges; ... PROPERTIES OF citric acid. citric acid crystallizes in the form of rhomboidal prisms, ..."

6. The Elements of Experimental Chemistry by William Henry, Robert Hare (1823)
"Atomic Constitution of citric acid.—Vol. II. p. 158. THE constitution of citric acid, most nearly agreeing with the results of Berzelius, is as follows: ..."

7. The Analyst by Society of Public Analysts (Great Britain). (1880)
"The same quantities of the solutions were used in this case, but the ferrous sulphate was increased to -7 grammes, and the citric acid to 5 grammes. ..."

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