Overview
- External ontology
- mediadive.medium:1050 (source link unavailable) — DEXTRAN MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 6.8
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1050.pdf
Composition
flowchart LR
CultureMech_000478["dextran_medium"]
ing0_Dextran["Dextran"]
CultureMech_000478 --> ing0_Dextran
CHEBI_52071["CHEBI:52071"]
ing0_Dextran -.-> CHEBI_52071
ing1_Polypeptone["Polypeptone"]
CultureMech_000478 --> ing1_Polypeptone
ing2_NH4NO3["NH4NO3"]
CultureMech_000478 --> ing2_NH4NO3
CHEBI_63038["CHEBI:63038"]
ing2_NH4NO3 -.-> CHEBI_63038
ing3_KH2PO4["KH2PO4"]
CultureMech_000478 --> ing3_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing3_KH2PO4 -.-> CHEBI_63036
ing4_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
CultureMech_000478 --> ing4_MgSO4_x_7_H2O
CHEBI_31795["CHEBI:31795"]
ing4_MgSO4_x_7_H2O -.-> CHEBI_31795
ing5_CaCl2_x_2_H2O["CaCl2 x 2 H2O"]
CultureMech_000478 --> ing5_CaCl2_x_2_H2O
CHEBI_86158["CHEBI:86158"]
ing5_CaCl2_x_2_H2O -.-> CHEBI_86158
ing6_Agar["Agar"]
CultureMech_000478 --> ing6_Agar
CHEBI_2509["CHEBI:2509"]
ing6_Agar -.-> CHEBI_2509
Ingredients (7)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Dextran | 10 G_PER_L |
CHEBI:52071
dextran
|
|
| 2 | Polypeptone | 5 G_PER_L | ||
| 3 |
NH4NO3
H4N.NO3 80.043 g/mol
|
2 G_PER_L |
CHEBI:63038
ammonium nitrate
|
|
| 4 |
KH2PO4
H2O4P.K 136.084 g/mol
|
1 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
|
| 5 |
MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
|
0.5 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
|
| 6 |
CaCl2 x 2 H2O
Ca.2Cl.2H2O 147.014 g/mol
|
0.25 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
|
| 7 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
Preparation
- adjust to pH 6.8
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:13.208775Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 1050 |
| 2026-01-28T19:48:36.545193Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:18:55.651522Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000478 |
| 2026-03-17T06:30:43.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:06.659362+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "DEXTRAN MEDIUM" to "dextran_medium" for consistent matching |
| 2026-06-05T07:40:58.638760+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 6 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:56.355148+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 2 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-10-07T13:32:40.086487+00:00 | codex | CURATED_MEDIUM_CONCENTRATION_SOURCE_EVIDENCE | Exact medium/source membership, ingredient inventory/forms, physical-state conditions, literal snippets, and arithmetic checked. Stock boundaries, source-only rows, preparation context, and variants remain explicit follow-up tasks; secondary chemical mappings unchanged. |