Overview
- Applications
-
- Algae cultivation
- Phytoplankton culture
- Microalgae research
- Notes
- Full recipe available at http://sagdb.uni-goettingen.de/culture_media/10 Ochromonas Medium.pdf Composition verified against https://sagdb.uni-goettingen.de/culture_media/10%20Ochromonas%20Medium.pdf on 2026-08-25 (SHA-256 8b15d4c6303bc0e583d73e8d1e861c6a63ab5374bcadc58fa57af1bf3e83d63e).
Composition
flowchart LR
CultureMech_000206["ochromonas"]
ing0_Deionized_or_distilled_water["Deionized or distilled water"]
CultureMech_000206 --> ing0_Deionized_or_distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Deionized_or_distilled_water -.-> CHEBI_15377
Ingredients (1)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Deionized or distilled water
H2O 18.015 g/mol
|
960 ML_PER_L |
CHEBI:15377
water
|
Preparation
- Prepare the stock solutions and combine them at the stated amounts.
- Autoclave at 121 C for 15 minutes following the SAG general preparation guidance.
Solutions
Glucose stock solution
Dose: 10 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Glucose | 100 G_PER_L |
Bacto-tryptone stock solution
Dose: 10 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Bacto-tryptone | 100 G_PER_L |
Liver extract stock solution
Dose: 10 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Liver extract | 100 G_PER_L |
Yeast extract stock solution
Dose: 10 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Yeast extract | 100 G_PER_L |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-28T00:00:00+00:00 | sag-import | Imported from SAG Culture Collection | Source ID: Ochromonas, PDF URL: http://sagdb.uni-goettingen.de/culture_media/10 Ochromonas Medium.pdf |
| 2026-02-03T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added placeholder ingredients for missing composition |
| 2026-02-03T11:26:43.788375 | quality-tagger-v1.0 | Added data quality flag | Marked as incomplete_composition due to placeholder ingredients |
| 2026-03-13T06:18:53.547917Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000206 |
| 2026-03-17T19:45:04.474032+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Ochromonas" to "ochromonas" for consistent matching |
| 2026-05-16T09:02:56.830481+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2; references.reference_id->reference=2; category->lowercase=1 |
| 2026-08-06T07:56:36.041151+00:00 | curate_placeholder_composition.py | REMOVED_PLACEHOLDER_INGREDIENT | Removed the 'See source for composition' placeholder ingredient; the record carries no imported composition and is flagged incomplete (#175). |
| 2026-08-25T00:00:00-07:00 | repair_sag_missing_compositions.py | RESTORED_SAG_SOURCE_COMPOSITION | Restored the formulation from the reviewed SAG PDF, preserving final-medium and stock-solution boundaries. Calculated stock concentrations are documented in-place. Ingredient identities were selected from the MediaIngredientMech SSSOM. |
| 2026-09-07T00:00:00-07:00 | repair_sag_missing_compositions.py | TAGGED_SAG_RESTORED_COMPOSITION_CURATED | Marked the reviewed SAG source formulation as curated and ontology-mapped after the original restoration left only the ingredient identities and did not add the scoring flags. |
| 2026-09-13T00:00:00-07:00 | repair_sag_sources_score10.py | NORMALIZED_SAG_SOURCE_SCORE10 | Copied the SAG source identity from references and the original sag-import event into the structured sources slot recognized by review scoring. |