chocolate_agar

CultureMech:008860 bacterial COMPLEX SOLID_AGAR
Original name: Chocolate agar

Overview

External ontology
TOGO:M2274 — Chocolate agar
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M2274 Commercial Product: Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Supplier: Multiple suppliers (BD, Sigma, Neogen) Catalog: Multiple (22092 Sigma, 211825 BD) Source: https://en.wikipedia.org/wiki/Tryptic_soy_broth Accessed: 2026-03-28 Constituent composition researched from product specification.

Composition

flowchart LR
    CultureMech_008860["chocolate_agar"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_008860 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_Hemin["Hemin"]
    CultureMech_008860 --> ing1_Hemin
    CHEBI_50385["CHEBI:50385"]
    ing1_Hemin -.-> CHEBI_50385
    ing2_Menadione["Menadione"]
    CultureMech_008860 --> ing2_Menadione
    CHEBI_28869["CHEBI:28869"]
    ing2_Menadione -.-> CHEBI_28869
    ing3_Sheep_blood["Sheep blood"]
    CultureMech_008860 --> ing3_Sheep_blood
    ing4_Pancreatic_digest_of_casein["Pancreatic digest of casein"]
    CultureMech_008860 --> ing4_Pancreatic_digest_of_casein
    ing5_Peptic_digest_of_soybean_meal["Peptic digest of soybean meal"]
    CultureMech_008860 --> ing5_Peptic_digest_of_soybean_meal
    ing6_Glucose["Glucose"]
    CultureMech_008860 --> ing6_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing6_Glucose -.-> CHEBI_17234
    ing7_Sodium_chloride["Sodium chloride"]
    CultureMech_008860 --> ing7_Sodium_chloride
    CHEBI_26710["CHEBI:26710"]
    ing7_Sodium_chloride -.-> CHEBI_26710
    ing8_Dipotassium_phosphate["Dipotassium phosphate"]
    CultureMech_008860 --> ing8_Dipotassium_phosphate
    CHEBI_131527["CHEBI:131527"]
    ing8_Dipotassium_phosphate -.-> CHEBI_131527
    ing9_Agar["Agar"]
    CultureMech_008860 --> ing9_Agar
    CHEBI_2509["CHEBI:2509"]
    ing9_Agar -.-> CHEBI_2509
    ing10_CO2["CO2"]
    CultureMech_008860 --> ing10_CO2
    CHEBI_16526["CHEBI:16526"]
    ing10_CO2 -.-> CHEBI_16526

Ingredients (11)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component
2 Hemin
C34H32ClFeN4O4 651.952 g/mol
5 G_PER_L CHEBI:50385
hemin
Role: Growth factor; Properties: Defined component, Organic compound, Simple component
3 Menadione
C11H8O2 172.183 g/mol
0.2 G_PER_L CHEBI:28869
menadione
Role: Vitamin; Properties: Defined component, Organic compound, Simple component
4 Sheep blood 10 PERCENT_W_V Role: Nutrient source; Properties: Undefined component
5 Pancreatic digest of casein
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
17.0 G_PER_L MICRO:0000182 (source link unavailable)
tryptone
Pancreatic enzymatic digest of casein providing amino acids and peptides; Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
6 Peptic digest of soybean meal
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
3.0 G_PER_L FOODON:03315720
vegetable protein, hydrolyzed
Peptic digest of soybean meal providing additional peptides and carbohydrates; Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
7 Glucose
C6H12O6 180.156 g/mol
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
2.5 G_PER_L CHEBI:17234
glucose
Carbon/energy source; Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
8 Sodium chloride
Cl.Na 58.443 g/mol
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
5.0 G_PER_L CHEBI:26710
sodium chloride
Maintains osmotic equilibrium; Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
9 Dipotassium phosphate
HO4P.2K 174.174 g/mol
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
2.5 G_PER_L CHEBI:131527
dipotassium hydrogen phosphate
pH buffer; Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
10 Agar
Multiple suppliers (BD, Sigma, Neogen) Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) Multiple (22092 Sigma, 211825 BD)
15.0 G_PER_L CHEBI:2509
agar
Solidifying agent (for TSA only, not in TSB); Constituent of Tryptic Soy Broth (TSB) / Tryptic Soy Agar (TSA) commercial product
11 CO2
CO2 44.009 g/mol
variable VARIABLE CHEBI:16526
carbon dioxide
Properties: Gas

Target organisms

No target organisms are recorded.

Provenance

Merged from 1 source record.

TimestampCuratorActionNotes
2026-01-27T06:35:56.253760Z togo-import Imported from TOGO Medium Source: TOGO, ID: M2274
2026-01-28T19:48:14.141469Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-02-03T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default concentration for ingredient: CO2
2026-03-13T06:20:00.808561Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:008860
2026-03-17T06:29:55.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:19.494636+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Chocolate agar" to "chocolate_agar" for consistent matching
2026-05-16T09:03:12.731353+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-06-05T07:40:35.909528+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 3 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-08-06T03:05:10.840956+00:00 merge_recipes.py MERGED_RECIPES merged 1 source recipe(s) on fingerprint 1637869dd8f5603e091c62995f400a7eb921608c157bdf40bda0b8bd102dae9e