Overview
- Applications
-
- Algae cultivation
- Phytoplankton culture
- Microalgae research
- Notes
- Full recipe available at https://www.ccap.ac.uk/wp-content/uploads/MR_SNA5.pdf Commercial Product: Nutrient Agar Supplier: Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Catalog: TM Media, BD 213000 Source: https://microbenotes.com/nutrient-agar/ Accessed: 2026-03-28 Constituent composition researched from product specification.
Composition
flowchart LR
CultureMech_000134["sna_5"]
ing0_Peptone["Peptone"]
CultureMech_000134 --> ing0_Peptone
ing1_Yeast_extract["Yeast extract"]
CultureMech_000134 --> ing1_Yeast_extract
ing2_Beef_extract["Beef extract"]
CultureMech_000134 --> ing2_Beef_extract
ing3_Sodium_chloride["Sodium chloride"]
CultureMech_000134 --> ing3_Sodium_chloride
CHEBI_26710["CHEBI:26710"]
ing3_Sodium_chloride -.-> CHEBI_26710
ing4_Agar["Agar"]
CultureMech_000134 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Peptone
Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Nutrient Agar TM Media, BD 213000
|
5.0 G_PER_L |
MICRO:0000178 (source link unavailable)
peptone
|
Enzymatic digest of protein, provides nitrogen, amino acids, and peptides; Constituent of Nutrient Agar commercial product |
| 2 |
Yeast extract
Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Nutrient Agar TM Media, BD 213000
|
1.5 G_PER_L |
FOODON:03315426
yeast extract
|
Provides B-complex vitamins and additional nutrients; Constituent of Nutrient Agar commercial product |
| 3 |
Beef extract
Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Nutrient Agar TM Media, BD 213000
|
1.5 G_PER_L |
FOODON:03302088
beef extract
|
Aqueous extract of beef tissue, provides organic compounds and minerals; Constituent of Nutrient Agar commercial product |
| 4 |
Sodium chloride
Cl.Na 58.443 g/mol
Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Nutrient Agar TM Media, BD 213000
|
5.0 G_PER_L |
CHEBI:26710
sodium chloride
|
Maintains osmotic equilibrium; Constituent of Nutrient Agar commercial product |
| 5 |
Agar
Multiple suppliers (TM Media, BD, Sigma-Aldrich, HiMedia) Nutrient Agar TM Media, BD 213000
|
15.0 G_PER_L |
CHEBI:2509
agar
|
Solidifying agent. Omit for Nutrient Broth (liquid variant); Constituent of Nutrient Agar commercial product |
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: SNA5, PDF URL: https://www.ccap.ac.uk/wp-content/uploads/MR_SNA5.pdf |
| 2026-02-03T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added placeholder ingredients for missing composition |
| 2026-02-03T11:26:43.624484 | quality-tagger-v1.0 | Added data quality flag | Marked as incomplete_composition due to placeholder ingredients |
| 2026-03-13T06:18:53.253025Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000134 |
| 2026-03-17T19:45:04.201587+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "SNA/5" to "sna_5" for consistent matching |
| 2026-04-04T12:54:54.973402 | batch_process_collection_media | EXPANDED_INGREDIENTS | |
| 2026-05-16T08:57:02.775599+00:00 | migrate_data_quality_flags.py | MIGRATED_DATA_QUALITY_FLAGS | dict(4 keys) -> list(2 entries) |
| 2026-05-16T09:02:56.996191+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2; references.reference_id->reference=2; category->lowercase=1 |
| 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. |