Overview
- External ontology
- nbrc.medium:868 (source link unavailable) — NBRC Medium 868
- pH
- 7.6
- Notes
- Source: NBRC Medium 868 | Link: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=868 The NBRC 1/5 Marine Broth + 0.5% Sodium Pyruvate table lists Bacto Marine Broth 2216, sodium pyruvate, optional agar, filtered aged seawater or Daigo's Artificial Seawater SP, and final pH 7.6.
Composition
flowchart LR
CultureMech_007500["869"]
ing0_Bacto_Marine_Broth_2216__Difco_["Bacto Marine Broth 2216 (Difco)"]
CultureMech_007500 --> ing0_Bacto_Marine_Broth_2216__Difco_
ing1_Sodium_pyruvate["Sodium pyruvate"]
CultureMech_007500 --> ing1_Sodium_pyruvate
CHEBI_50144["CHEBI:50144"]
ing1_Sodium_pyruvate -.-> CHEBI_50144
ing2_Agar__if_needed_["Agar (if needed)"]
CultureMech_007500 --> ing2_Agar__if_needed_
CHEBI_2509["CHEBI:2509"]
ing2_Agar__if_needed_ -.-> CHEBI_2509
ing3_Sea_water_["Sea water*"]
CultureMech_007500 --> ing3_Sea_water_
ing4_Distilled_water["Distilled water"]
CultureMech_007500 --> ing4_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing4_Distilled_water -.-> CHEBI_15377
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Bacto Marine Broth 2216 (Difco) | 7.5 G_PER_L | ||
| 2 |
Sodium pyruvate
C3H3O3.Na 110.044 g/mol
|
5 G_PER_L |
CHEBI:50144
Na-pyruvate
|
|
| 3 | Agar (if needed) | 15 G_PER_L |
CHEBI:2509
Agar
|
|
| 4 | Sea water* | 800 ML_PER_L | ||
| 5 |
Distilled water
H2O 18.015 g/mol
|
200 ML_PER_L |
CHEBI:15377
water
|
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-02-20T00:22:35.979642Z | nbrc-import | Imported from NBRC | Source: NBRC, Media No. 868, URL: http://www.nbrc.nite.go.jp/NBRC2/NBRCMediumDetailServlet?NO=868. Imported via ethical web scraping. |
| 2026-03-13T03:09:24.689761Z | data-quality-cleanup-v1.0 | Data quality fixes | Merged 9 duplicate ingredient(s) |
| 2026-03-13T06:19:49.270356Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:007500 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default concentration for ingredient: Bacto Marine Broth 2216 (Difco)7.5gSodium pyruvate5gAgar (if needed)15gSea water*800mlDistilled water200mlpH 7.6*Filtered, aged seawater or artificial seawater (Daigo's Artificial Seawater SP**)**Wako Pure Chemical Ind., Ltd., Osaka, Japan. |
| 2026-05-16T09:03:06.732868+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-08-19T21:54:23.018314+00:00 | recover_nbrc_composition.py | Recovered composition from source HTML | Re-parsed the NBRC medium 868 composition table from the preserved scrape; 5 ingredient(s) restored, 0 stock solution(s) nested rather than flattened, 0 unparsed solution blob(s) removed (#299). |
| 2026-08-20T19:01:16.102776+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 1 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |
| 2026-09-07T00:00:00-07:00 | repair_nbrc_partial_score25.py | RESOLVED_NBRC_PARTIAL_SCORE25 | Preserved the recovered NBRC Medium 868 composition table. |