Pyruvic acid

Ontology mapping

Primary identifier: CHEBI:32816
Ontology label: pyruvic acid

Nutritional roles

Role
CARBON_SOURCE
Confidence
0.8
Evidence
- Reference type
  COMPUTATIONAL_PREDICTION
  Reference text
  Inferred from curated media-role name pattern
  Curator note
  Provisional role from a curated name-pattern rule; review recommended.
Role
ENERGY_SOURCE
Confidence
0.7
Evidence
- Reference type
  COMPUTATIONAL_PREDICTION
  Reference text
  Canonical energy substrate (catabolised for energy)
  Curator note
  Provisional ENERGY_SOURCE added alongside CARBON_SOURCE; review recommended.

Synonyms (14)

Synonym	Type	Source
(sodium salt)	RAW_TEXT	CultureMech
Role: Carbon source	RAW_TEXT	CultureMech
2-Oxopropanoic acid	EXACT_SYNONYM	kg_microbe
2-Oxopropansaeure	EXACT_SYNONYM	kg_microbe
2-Oxopropionsaeure	EXACT_SYNONYM	kg_microbe
2-ketopropionic acid	EXACT_SYNONYM	kg_microbe
Acetylformic acid	EXACT_SYNONYM	kg_microbe
BTS	EXACT_SYNONYM	kg_microbe
Brenztraubensaeure	EXACT_SYNONYM	kg_microbe
CH3COCOOH	EXACT_SYNONYM	kg_microbe
Pyroracemic acid	EXACT_SYNONYM	kg_microbe
acide pyruvique	EXACT_SYNONYM	kg_microbe
alpha-Oxopropionsaeure	EXACT_SYNONYM	kg_microbe
alpha-ketopropionic acid	EXACT_SYNONYM	kg_microbe

Chemical properties

Cas rn: 127-17-3
Data source: PubChem API
Retrieval date: 2026-04-05T19:53:46.178200+00:00
Molecular formula: C3H4O3
Inchi: InChI=1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6)
Smiles: CC(=O)C(=O)O

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences: 6
Distinct media: 6

Curation history

Timestamp	Curator	Action	New status	Changes
2026-03-09T06:54:18.022301+00:00	import_from_culturemech	IMPORTED	MAPPED	Initial import from CultureMech pipeline
2026-04-05T19:53:46.178226+00:00	fetch_cas_rn_from_pubchem	ADDED_CAS_RN	MAPPED	Added CAS-RN:127-17-3 from PubChem API via name lookup (Pyruvic acid)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 12 synonyms from kg-microbe P4.4 enrichment: 2-Oxopropanoic acid, 2-Oxopropansaeure, 2-Oxopropionsaeure, 2-ketopropionic acid, Acetylformic acid, ... (7 more)
2026-05-01T07:35:36.013554+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:32.107333+00:00	auto_classify_ingredient_type	AUTO_BACKFILL_CHEBI_CHEMISTRY		molecular_formula=C3H4O3; inchi=InChI=1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6); smiles=CC(=O)C(=O)O
2026-05-02T03:12:18.040357+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-03T03:22:14.594630+00:00	infer_roles_from_name_lists	ANNOTATED		Added media role: CARBON_SOURCE (confidence: 0.80)
2026-06-04T05:38:59.201233+00:00	infer_energy_source	ANNOTATED		Added media role: ENERGY_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.825862+00:00	correct_stale_ontology_labels.py	CORRECTED		ontology_label 'Pyruvic acid' -> 'pyruvic acid': synced to canonical CHEBI label (preferred_term 'Pyruvic acid' unchanged).
2026-07-20T00:00:00+00:00	migrate_media_roles_to_facets	ANNOTATED		Migrated legacy media_roles to role facets (#128): CARBON_SOURCE -> nutritional_roles.CARBON_SOURCE; ENERGY_SOURCE -> nutritional_roles.ENERGY_SOURCE
2026-08-27T03:16:39.519788+00:00	refresh_occurrence_statistics	CORRECTED		occurrence_statistics 4/4 -> 6/6 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257]