middle_brook_medium

CultureMech:008914 bacterial COMPLEX SOLID_AGAR
Original name: Middle Brook Medium

Overview

External ontology
TOGO:M2328 — Middle Brook Medium
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M2328 Original URL: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium645.pdf Commercial Product: LB Medium (Luria-Bertani, Miller formulation) Supplier: Multiple suppliers (Difco, Sigma, etc.) Catalog: Multiple (L3522 Sigma, 244520 BD) Source: https://www.laboratorynotes.com/preparation-of-luria-bertani-lb-miller-broth/ Accessed: 2026-03-28 Constituent composition researched from product specification.

Composition

flowchart LR
    CultureMech_008914["middle_brook_medium"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_008914 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_Glycerol["Glycerol"]
    CultureMech_008914 --> ing1_Glycerol
    CHEBI_17754["CHEBI:17754"]
    ing1_Glycerol -.-> CHEBI_17754
    ing2_Bacto_Middlebrook_7H10_agar__Difco_262710_["Bacto Middlebrook 7H10 agar (Difco 262710)"]
    CultureMech_008914 --> ing2_Bacto_Middlebrook_7H10_agar__Difco_262710_
    ing3_Bacto_Middlebrook_OADC_enrichment["Bacto Middlebrook OADC enrichment"]
    CultureMech_008914 --> ing3_Bacto_Middlebrook_OADC_enrichment
    ing4_NaCl["NaCl"]
    CultureMech_008914 --> ing4_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing4_NaCl -.-> CHEBI_26710
    ing5_Dextrose["Dextrose"]
    CultureMech_008914 --> ing5_Dextrose
    CHEBI_17634["CHEBI:17634"]
    ing5_Dextrose -.-> CHEBI_17634
    ing6_Tryptone["Tryptone"]
    CultureMech_008914 --> ing6_Tryptone
    ing7_Yeast_extract["Yeast extract"]
    CultureMech_008914 --> ing7_Yeast_extract
    ing8_Sodium_chloride["Sodium chloride"]
    CultureMech_008914 --> ing8_Sodium_chloride
    ing8_Sodium_chloride -.-> CHEBI_26710
    ing9_Oleic_acid["Oleic acid"]
    CultureMech_008914 --> ing9_Oleic_acid
    CHEBI_16196["CHEBI:16196"]
    ing9_Oleic_acid -.-> CHEBI_16196
    ing10_Catalase__beef_["Catalase (beef)"]
    CultureMech_008914 --> ing10_Catalase__beef_

Ingredients (11)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1000.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component [Merged 2 duplicates: 900.0, 100.0]
2 Glycerol
C3H8O3 92.094 g/mol
5 G_PER_L CHEBI:17754
glycerol
Role: Carbon source; Properties: Defined component, Organic compound, Simple component
3 Bacto Middlebrook 7H10 agar (Difco 262710) 19 G_PER_L Properties: Defined component, Complex component
4 Bacto Middlebrook OADC enrichment 100 G_PER_L
5 NaCl
Cl.Na 58.443 g/mol
0.85 G_PER_L CHEBI:26710
sodium chloride
Role: Mineral source; Properties: Simple component, Inorganic compound, Defined component
6 Dextrose
C6H12O6 180.156 g/mol
2 G_PER_L CHEBI:17634
D-glucose
Role: Carbon source; Properties: Organic compound, Simple component, Defined component
7 Tryptone
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
10.0 G_PER_L MICRO:0000182 (source link unavailable)
tryptone
Pancreatic digest of casein providing amino acids, peptides, and nitrogen; Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product
8 Yeast extract
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
5.0 G_PER_L FOODON:03315426
yeast extract
Autodigest of Saccharomyces cerevisiae providing vitamins, amino acids, and trace elements; Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product
9 Sodium chloride
Cl.Na 58.443 g/mol
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
10.0 G_PER_L CHEBI:26710
sodium chloride
Maintains osmotic equilibrium (Miller formulation); Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product
10 Oleic acid
C18H34O2 282.468 g/mol
0.05 G_PER_L CHEBI:16196
oleic acid
Role: Carbon source; Properties: Defined component, Organic compound, Simple component
11 Catalase (beef) 4 G_PER_L Properties: Defined component, Simple component

Target organisms

No target organisms are recorded.

Provenance

Merged from 1 source record.

TimestampCuratorActionNotes
2026-01-27T06:35:56.346022Z togo-import Imported from TOGO Medium Source: TOGO, ID: M2328
2026-01-28T19:48:40.595325Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-13T03:09:40.149264Z data-quality-cleanup-v1.0 Data quality fixes Merged 1 duplicate ingredient(s)
2026-03-13T06:20:01.250115Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:008914
2026-03-17T06:30:52.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:19.962331+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Middle Brook Medium" to "middle_brook_medium" for consistent matching
2026-06-05T07:41:33.881391+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 5 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-08T23:19:48.171988+00:00 chebi-regrounding-v1.0 Corrected CHEBI ingredient grounding (audit G21/G22) Re-grounded 2 term reference(s) to the correct CHEBI (see reports/chebi_grounding_audit.md). Label-conditional fixes for pyridoxine/pyridoxamine, glycerol, MnSO4, Ca(NO3)2, selenate; casamino acids de-grounded (mixture, no single CHEBI).
2026-08-06T03:05:45.418708+00:00 merge_recipes.py MERGED_RECIPES merged 1 source recipe(s) on fingerprint 19575a146e3d0053ea0e5872292ccbf35046a002fcf50fc846df4deda70fed51