Overview
- Applications
-
- Algae cultivation
- Phytoplankton culture
- Microalgae research
- Notes
- Full recipe available at https://www.ccap.ac.uk/wp-content/uploads/MR_MY75S.pdf
Composition
flowchart LR
CultureMech_000095["my75s"]
ing0_Malt_extract["Malt extract"]
CultureMech_000095 --> ing0_Malt_extract
ing1_Yeast_extract["Yeast extract"]
CultureMech_000095 --> ing1_Yeast_extract
ing2_Bacteriological_agar["Bacteriological agar"]
CultureMech_000095 --> ing2_Bacteriological_agar
CHEBI_2509["CHEBI:2509"]
ing2_Bacteriological_agar -.-> CHEBI_2509
ing3_Filtered_natural_seawater["Filtered natural seawater"]
CultureMech_000095 --> ing3_Filtered_natural_seawater
ing4_Deionised_water["Deionised water"]
CultureMech_000095 --> ing4_Deionised_water
CHEBI_15377["CHEBI:15377"]
ing4_Deionised_water -.-> CHEBI_15377
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Malt extract | 0.1 G_PER_L |
FOODON:03301056
malt extract
|
From CCAP Medium MR_MY75S.pdf; Curated from CCAP Medium MR_MY75S.pdf specification |
| 2 | Yeast extract | 0.1 G_PER_L |
FOODON:03315426
yeast extract
|
From CCAP Medium MR_MY75S.pdf; Curated from CCAP Medium MR_MY75S.pdf specification |
| 3 | Bacteriological agar | 15.0 G_PER_L |
CHEBI:2509
agar
|
From CCAP Medium MR_MY75S.pdf; Curated from CCAP Medium MR_MY75S.pdf specification |
| 4 | Filtered natural seawater | 750 ML_PER_L | Source-asserted liquid volume in the final medium. | |
| 5 |
Deionised water
H2O 18.015 g/mol
|
250 ML_PER_L |
CHEBI:15377
water
|
Source-asserted liquid volume in the final medium. |
Preparation
- Combine the seawater and deionised water and heat without boiling.
- Dissolve the malt extract and yeast extract.
- Cool slightly, add 15 g/L Bacteriological Agar, and disperse.
- Autoclave at 15 psi for 15 minutes.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-28T00:00:00+00:00 | ccap-import | Imported from CCAP Culture Collection | Source ID: MY75S, PDF URL: https://www.ccap.ac.uk/wp-content/uploads/MR_MY75S.pdf |
| 2026-02-03T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added placeholder ingredients for missing composition |
| 2026-02-03T11:26:43.551229 | quality-tagger-v1.0 | Added data quality flag | Marked as incomplete_composition due to placeholder ingredients |
| 2026-03-13T06:18:53.147156Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000095 |
| 2026-03-17T19:45:04.101758+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "MY75S" to "my75s" for consistent matching |
| 2026-04-04T12:54:54.807263 | batch_process_collection_media | EXPANDED_INGREDIENTS | |
| 2026-05-16T08:57:02.569233+00:00 | migrate_data_quality_flags.py | MIGRATED_DATA_QUALITY_FLAGS | dict(4 keys) -> list(3 entries) |
| 2026-05-16T09:02:56.774102+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2; references.reference_id->reference=2; category->lowercase=1; concentration.unit aliases=1 |
| 2026-08-25T00:00:00-07:00 | repair_ccap_instruction_rows.py | REPAIRED_CCAP_INSTRUCTION_ROWS | Repaired preparation text and nested-recipe flattening against CCAP MR_MY75S.pdf. Moved process statements to preparation_steps and restored source-asserted components or constituent-medium references where applicable. |
| 2026-09-13T00:00:00-07:00 | repair_ccap_sources_score10.py | NORMALIZED_CCAP_SOURCE_SCORE10 | Copied the CCAP source identity from references and the original ccap-import event into the structured sources slot recognized by review scoring. |