Ontology mapping
- Primary identifier
-
CHEBI:81862 - Ontology label
- potassium hydrogencarbonate
- kg-microbe node
CHEBI:81862
Nutritional roles
- Role
- MINERAL_SOURCE
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Mineral
Physicochemical roles
- Role
- BUFFER
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Buffer
Synonyms (7)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Buffer, Mineral source; Properties: Inorganic compound, Defined component, Simple component | RAW_TEXT | CultureMech | |
| E501 | EXACT_SYNONYM | kg_microbe | |
| monopotassium carbonate | EXACT_SYNONYM | kg_microbe | |
| potassium acid carbonate | EXACT_SYNONYM | kg_microbe | |
| potassium bicarbonate | EXACT_SYNONYM | kg_microbe | |
| potassium hydrogen carbonate | EXACT_SYNONYM | kg_microbe | |
| potassium hydrogencarbonate | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 298-14-6
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:52:33.694509+00:00
- Molecular formula
- CHO3.K
- Inchi
- InChI=1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
- Smiles
- O=C([O-])O.[K+]
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 24
- Distinct media
- 24
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 |
| 2026-04-05T19:52:33.694572+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:298-14-6 from PubChem API via name lookup (KHCO3) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 6 synonyms from kg-microbe P4.4 enrichment: E501, monopotassium carbonate, potassium acid carbonate, potassium bicarbonate, potassium hydrogen carbonate, ... (1 more) |
| 2026-05-01T07:35:34.209052+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.208523+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=CHO3.K; inchi=InChI=1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1; smiles=O=C([O-])O.[K+] | |
| 2026-05-02T03:12:15.309631+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-30T00:22:50.428580+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: BUFFER (confidence: 1.00) | |
| 2026-05-30T00:22:50.428586+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: MINERAL (confidence: 1.00) | |
| 2026-06-09T05:23:46.781273+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'KHCO3' -> 'potassium hydrogencarbonate': synced to canonical CHEBI label (preferred_term 'KHCO3' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): BUFFER -> physicochemical_roles.BUFFER; MINERAL -> nutritional_roles.MINERAL_SOURCE | |
| 2026-08-27T03:16:39.519072+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 16/16 -> 24/24 (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] |