citrate

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  • Name: citrate
  • Description: A tricarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of citric acid. (CHEBI:133748)
Overview of age-variations
Age group comparisons
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
17474139 Age 36.6 ± 5.5, Gender ⚥ 220.3 (mmol/mol ) H-NMR urine
17474139 Age 54.5 ± 7.6, Gender ⚥ 235.0 (mmol/mol ) H-NMR urine
24457528 Age 100.7 ± 2.1, Gender ⚥ 1.01 (mean of regulated metabolite) H-NMR serum
24457528 Age 70 ± 6, Gender ⚥ 0.82 (mean of regulated metabolite) H-NMR serum
24457528 Age 100.7 ± 2.1, Gender ♀ 1.0 (mean of regulated metabolite) H-NMR serum
24457528 Age 70 ± 6, Gender ♀ 0.81 (mean of regulated metabolite) H-NMR serum
24457528 Age 100.7 ± 2.1, Gender ♂ 1.01 (mean of regulated metabolite) H-NMR serum
24457528 Age 70 ± 6, Gender ♂ 0.83 (mean of regulated metabolite) H-NMR serum
27374292 Age [25–35] (median=32), Gender ♂ (Japanese) 0.84335 (average level of metabolite) UHPLC-MS/MS Negative mode serum
27374292 Age [55–64] (median=60), Gender ♂ (Japanese) 1.119249 (average level of metabolite) UHPLC-MS/MS Negative mode serum
Linear regression
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
23838602 Age [17–85], Gender ⚥ 0.019 (β) UHPLC/MS/MS serum and plasma
23838602 Age [17–85], Gender ⚥ 3.03 (β) UHPLC/MS/MS serum and plasma
23838602 Age [17–85], Gender ⚥ 2.84 (β) UHPLC/MS/MS serum and plasma
23838602 Age [17–85], Gender ⚥ 1.88 (β) UHPLC/MS/MS serum and plasma
log2 ratio/log2(FC)
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
29090929 Age 42 ± 12, Gender ♀ -0.099 (log2 ratio) NMR blood
29090929 Age 41 ± 12, Gender ♂ -0.092 (log2 ratio) NMR blood
Summary
  • Synonym:
    2-hydroxytricarballylate
  • Chemical Formula:
    C6H5O7-3
  • Systematic name:
    2-hydroxy-1,2,3-propanetricarboxylic acid, ion(3−);2-hydroxypropane-1,2,3-tricarboxylate; 2-hydroxy-1,2,3-propanetricarboxylate(3−)
  • 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)/p-3
  • InChI Key:
    KRKNYBCHXYNGOX-UHFFFAOYSA-K
  • CAS number:
    126-44-3
Related resources
Metabolite sources and localization
  • Metabolite location:
    Human organism, Body part, Human body biofluids, Biofluid tissues, Blood, Plasma, Serum, Tissue
  • Metabolite source:
    Homo sapiens, endogenous metabolite
Age-variations
Age group comparisons
Method: H-NMR
Sample: urine
PubMed PMID: 17474139

Age group comparisons
Method: H-NMR
Sample: serum
PubMed PMID: 24457528

Age group comparisons
Method: UHPLC-MS/MS Negative mode
Sample: serum
PubMed PMID: 27374292
Linear regression
Method: UHPLC/MS/MS
Sample: serum and plasma
PubMed PMID: 23838602
β = 0.019 (y = βx + α)
p-value < 0.05

Linear regression
Method: UHPLC/MS/MS
Sample: serum and plasma
PubMed PMID: 23838602
β = 3.03 (y = βx + α)
p-value < 0.05

Linear regression
Method: UHPLC/MS/MS
Sample: serum and plasma
PubMed PMID: 23838602
β = 2.84 (y = βx + α)
p-value < 0.05

Linear regression
Method: UHPLC/MS/MS
Sample: serum and plasma
PubMed PMID: 23838602
β = 1.88 (y = βx + α)
p-value < 0.05

Fold-change with age
Method: NMR
Sample: blood
PubMed PMID: 29090929