half_strength_trypticase_soy_broth_agar_ph_4_0

CultureMech:009993 bacterial COMPLEX SOLID_AGAR
Original name: Half Strength Trypticase Soy Broth Agar (pH 4.0)

Overview

External ontology
TOGO:M596 — Half Strength Trypticase Soy Broth Agar (pH 4.0)
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M596 Original source: JCM - JCM_M591 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=591 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_009993["half_strength_trypticase_soy_broth_agar_ph_4_0"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_009993 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_Pancreatic_digest_of_casein["Pancreatic digest of casein"]
    CultureMech_009993 --> ing1_Pancreatic_digest_of_casein
    ing2_Peptic_digest_of_soybean_meal["Peptic digest of soybean meal"]
    CultureMech_009993 --> ing2_Peptic_digest_of_soybean_meal
    ing3_Glucose["Glucose"]
    CultureMech_009993 --> ing3_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing3_Glucose -.-> CHEBI_17234
    ing4_Sodium_chloride["Sodium chloride"]
    CultureMech_009993 --> ing4_Sodium_chloride
    CHEBI_26710["CHEBI:26710"]
    ing4_Sodium_chloride -.-> CHEBI_26710
    ing5_Dipotassium_phosphate["Dipotassium phosphate"]
    CultureMech_009993 --> ing5_Dipotassium_phosphate
    CHEBI_131527["CHEBI:131527"]
    ing5_Dipotassium_phosphate -.-> CHEBI_131527
    ing6_Agar["Agar"]
    CultureMech_009993 --> ing6_Agar
    CHEBI_2509["CHEBI:2509"]
    ing6_Agar -.-> CHEBI_2509
    ing7_Agar["Agar"]
    CultureMech_009993 --> ing7_Agar
    ing7_Agar -.-> CHEBI_2509

Ingredients (8)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
500.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component [Collapsed 2 identical duplicates: 500.0, 500.0]
2 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
3 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
4 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
5 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
6 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
7 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
8 Agar 15 G_PER_L CHEBI:2509
agar
Role: Solidifying component

Solutions

Solution A

Dose: 500 G_PER_L

See mediadive_5342_Solution_A.yaml for composition

Solution B

Dose: 500 G_PER_L

See mediadive_5343_Solution_B.yaml for composition

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:55.369948Z togo-import Imported from TOGO Medium Source: JCM, ID: M596
2026-01-28T19:48:19.884097Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-09T08:04:32.961034+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 2 solution(s) from ingredients
2026-03-13T03:09:02.291947Z data-quality-cleanup-v1.0 Data quality fixes Merged 1 duplicate ingredient(s)
2026-03-13T06:20:10.566163Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:009993
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name; Added default solution name
2026-03-17T06:30:07.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:29.493004+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Half Strength Trypticase Soy Broth Agar (pH 4.0)" to "half_strength_trypticase_soy_broth_agar_ph_4_0" for consistent matching
2026-05-16T09:03:19.385700+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-06-05T07:40:42.839318+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 2 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-09-02T07:37:50.925922+00:00 repair_merged_duplicates.py REPAIRED_SUMMED_DUPLICATE_MERGE Collapsed 1 ingredient row(s) whose concentration was the SUM of identical duplicate values written by cleanup_media_quality.py. Every merged part was the same value, so the pre-merge value is unambiguous and no source lookup was needed. Rows whose merged parts differ were left untouched.