Overview
- External ontology
- TOGO:M2180 — B2 medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M2180
Composition
flowchart LR
CultureMech_008775["b2_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_008775 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Yeast_extract["Yeast extract"]
CultureMech_008775 --> ing1_Yeast_extract
ing2_NaCl["NaCl"]
CultureMech_008775 --> ing2_NaCl
CHEBI_26710["CHEBI:26710"]
ing2_NaCl -.-> CHEBI_26710
ing3_K2HPO4["K2HPO4"]
CultureMech_008775 --> ing3_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing3_K2HPO4 -.-> CHEBI_131527
ing4_Glucose["Glucose"]
CultureMech_008775 --> ing4_Glucose
CHEBI_17234["CHEBI:17234"]
ing4_Glucose -.-> CHEBI_17234
ing5_Casein_hydrolysate["Casein hydrolysate"]
CultureMech_008775 --> ing5_Casein_hydrolysate
Ingredients (6)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
93.4 PERCENT_W_V |
CHEBI:15377
water
|
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component |
| 2 | Yeast extract | 2.5 PERCENT_W_V | Role: Nutrient source; Properties: Undefined component | |
| 3 |
NaCl
Cl.Na 58.443 g/mol
|
2.5 PERCENT_W_V |
CHEBI:26710
sodium chloride
|
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component |
| 4 |
K2HPO4
HO4P.2K 174.174 g/mol
|
0.1 PERCENT_W_V |
CHEBI:131527
dipotassium hydrogen phosphate
|
Role: Buffer; Properties: Simple component, Inorganic compound, Defined component |
| 5 |
Glucose
C6H12O6 180.156 g/mol
|
0.5 PERCENT_W_V |
CHEBI:17234
glucose
|
Role: Carbon source; Properties: Organic compound, Simple component, Defined component |
| 6 | Casein hydrolysate | 1 PERCENT_W_V | Properties: Undefined component |
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- b2_medium (CultureMech:008775)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:56.131049Z | togo-import | Imported from TOGO Medium | Source: TOGO, ID: M2180 |
| 2026-01-28T19:48:13.299813Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:20:00.214438Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008775 |
| 2026-03-17T06:29:53.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:18.879441+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "B2 medium" to "b2_medium" for consistent matching |
| 2026-06-05T07:40:50.193540+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 4 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:53.689083+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 1 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-08-06T03:05:24.528671+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint ea7e07631c4453ae057ada040a5007ad6cac693a7e5a0574a3fc3e0c74c382bf |