Overview
- External ontology
- mediadive.medium:987 (source link unavailable) — ISP 2 MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 7.2
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium987.pdf
Composition
flowchart LR
CultureMech_002169["isp_2_medium"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_002169 --> ing0_Yeast_extract
ing1_Malt_extract["Malt extract"]
CultureMech_002169 --> ing1_Malt_extract
ing2_Dextrose["Dextrose"]
CultureMech_002169 --> ing2_Dextrose
CHEBI_17634["CHEBI:17634"]
ing2_Dextrose -.-> CHEBI_17634
ing3_Agar["Agar"]
CultureMech_002169 --> ing3_Agar
CHEBI_2509["CHEBI:2509"]
ing3_Agar -.-> CHEBI_2509
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 4 G_PER_L | ||
| 2 | Malt extract | 10 G_PER_L | ||
| 3 |
Dextrose
C6H12O6 180.156 g/mol
|
4 G_PER_L |
CHEBI:17634
D-glucose
|
|
| 4 | Agar | 20 G_PER_L |
CHEBI:2509
agar
|
Preparation
- pH 7.2
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:13.000565Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 987 |
| 2026-03-13T06:19:10.940661Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:002169 |
| 2026-03-17T06:30:15.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:23.673330+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "ISP 2 MEDIUM" to "isp_2_medium" for consistent matching |
| 2026-06-05T07:41:09.668580+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. |
| 2026-10-07T13:32:40.086487+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. |