citric acid

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  • Name: citric acid
  • Description: Citric acid is a tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. It h... as a role as a food acidity regulator, a chelator, an antimicrobial agent and a fundamental metabolite. It is a conjugate acid of a citrate(1-) and a citrate anion. (CHEBI ID: 30769)
Overview of age-variations
Age group comparisons
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
3780013 Age [15-19], Gender ♀ 1.32 (mmol/24 h) enzymatic analysis urine
3780013 Age [20-29], Gender ♀ 2.06 (mmol/24 h) enzymatic analysis urine
3780013 Age [30-39], Gender ♀ 2.14 (mmol/24 h) enzymatic analysis urine
3780013 Age [40-49], Gender ♀ 1.94 (mmol/24 h) enzymatic analysis urine
3780013 Age [50-59], Gender ♀ 2.12 (mmol/24 h) enzymatic analysis urine
3780013 Age [60+], Gender ♀ 1.33 (mmol/24 h) enzymatic analysis urine
3780013 Age [15-19], Gender ♂ 1.75 (mmol/24 h) enzymatic analysis urine
3780013 Age [20-29], Gender ♂ 1.69 (mmol/24 h) enzymatic analysis urine
3780013 Age [30-39], Gender ♂ 1.39 (mmol/24 h) enzymatic analysis urine
3780013 Age [40-49], Gender ♂ 1.68 (mmol/24 h) enzymatic analysis urine
3780013 Age [50-59], Gender ♂ 1.71 (mmol/24 h) enzymatic analysis urine
3780013 Age [60+], Gender ♂ 1.87 (mmol/24 h) enzymatic analysis urine
Linear regression
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
log2 ratio/log2(FC)
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
Summary
  • Synonym:
    2-hydroxytricarballyic acid; citro
  • Chemical Formula:
    C6H8O7
  • Exact Mass g/mol:
    192.0000000
  • Systematic name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
  • SMILES:
    C(C(=O)O)C(CC(=O)O)(C(=O)O)O
  • InChI:
    InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
  • InChI Key:
    KRKNYBCHXYNGOX-UHFFFAOYSA-N
Related resources
Pathway info P = product of S = substrate of
Metabolite sources and localization
  • Metabolite location:
    Human organism, Body part, Extracellular, Human body biofluids, Biofluid tissues, Blood, Cerebrospinal fluid, Breast milk, Saliva, Sweat, Urine, Organ, Prostate, Tissue, All tissues, Cellular (general class), Subcellular, Cytoplasm, Mitochondria, Excreta material, Feces
  • Metabolite source:
    Homo sapiens, endogenous metabolite
Age-variations
Age group comparisons
Method: enzymatic analysis
Sample: urine
PubMed PMID: 3780013
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