Overview
- External ontology
- TOGO:M2105 — Levulinic acid medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M2105 Original source: NBRC - NBRC_M1428 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1428
Composition
flowchart LR
CultureMech_008697["levulinic_acid_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_008697 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_MgSO4_7H2O["MgSO4·7H2O"]
CultureMech_008697 --> ing1_MgSO4_7H2O
CHEBI_31795["CHEBI:31795"]
ing1_MgSO4_7H2O -.-> CHEBI_31795
ing2_Yeast_extract["Yeast extract"]
CultureMech_008697 --> ing2_Yeast_extract
ing3_Levulinic_acid["Levulinic acid"]
CultureMech_008697 --> ing3_Levulinic_acid
CHEBI_45630["CHEBI:45630"]
ing3_Levulinic_acid -.-> CHEBI_45630
ing4_Agar__if_needed_["Agar (if needed)"]
CultureMech_008697 --> ing4_Agar__if_needed_
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component |
| 2 |
MgSO4·7H2O
7H2O.Mg.O4S 246.473 g/mol
|
1 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component |
| 3 | Yeast extract | 5 G_PER_L | Role: Nutrient source; Properties: Undefined component | |
| 4 |
Levulinic acid
C5H8O3 116.116 g/mol
|
20 G_PER_L |
CHEBI:45630
4-oxopentanoic acid
|
Role: Carbon source; Properties: Organic compound, Simple component, Defined component |
| 5 | Agar (if needed) | 15 G_PER_L | Role: Solidifying component |
Solutions
Hipolypepton*
Dose: 5 G_PER_L
Properties: Undefined component
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:59.066943Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M2105 |
| 2026-01-28T19:48:18.392331Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-09T08:04:30.496755+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 1 solution(s) from ingredients |
| 2026-03-13T06:19:59.497007Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008697 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name |
| 2026-03-17T06:30:04.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:18.136408+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Levulinic acid medium" to "levulinic_acid_medium" for consistent matching |
| 2026-05-16T09:03:39.024147+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:41:11.128320+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 2 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T06:57:50.590526+00:00 | mgso4-heptahydrate-term-fix-v1.0 | Corrected MgSO4·7H2O primary term grounding to heptahydrate | Re-grounded 1 heptahydrate-labelled ingredient(s) from CHEBI:32599 (generic magnesium sulfate) to CHEBI:31795 (magnesium sulfate heptahydrate). Generic/hexahydrate labels untouched. |
| 2026-08-20T19:01:55.637982+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 1 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |