half_strength_trypticase_soy_broth_agar_ph_4_0

CultureMech:002939 bacterial COMPLEX SOLID_AGAR
Original name: HALF STRENGTH TRYPTICASE SOY BROTH AGAR (pH 4.0)

Overview

External ontology
mediadive.medium:J591 (source link unavailable) — HALF STRENGTH TRYPTICASE SOY BROTH AGAR (pH 4.0)
Applications
  • Microbial cultivation
pH
4.0
Notes
Source: JCM | Link: 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_002939["half_strength_trypticase_soy_broth_agar_ph_4_0"]
    ing0_Pancreatic_digest_of_casein["Pancreatic digest of casein"]
    CultureMech_002939 --> ing0_Pancreatic_digest_of_casein
    ing1_Peptic_digest_of_soybean_meal["Peptic digest of soybean meal"]
    CultureMech_002939 --> ing1_Peptic_digest_of_soybean_meal
    ing2_Glucose["Glucose"]
    CultureMech_002939 --> ing2_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing2_Glucose -.-> CHEBI_17234
    ing3_Sodium_chloride["Sodium chloride"]
    CultureMech_002939 --> ing3_Sodium_chloride
    CHEBI_26710["CHEBI:26710"]
    ing3_Sodium_chloride -.-> CHEBI_26710
    ing4_Dipotassium_phosphate["Dipotassium phosphate"]
    CultureMech_002939 --> ing4_Dipotassium_phosphate
    CHEBI_131527["CHEBI:131527"]
    ing4_Dipotassium_phosphate -.-> CHEBI_131527
    ing5_Agar["Agar"]
    CultureMech_002939 --> ing5_Agar
    CHEBI_2509["CHEBI:2509"]
    ing5_Agar -.-> CHEBI_2509
    ing6_Agar["Agar"]
    CultureMech_002939 --> ing6_Agar
    ing6_Agar -.-> CHEBI_2509

Ingredients (7)

# Ingredient Concentration Ontology Notes
1 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
2 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
3 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
4 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
5 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
6 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
7 Agar 30 G_PER_L CHEBI:2509
agar

Preparation

  1. Adjust pH to 4.0.
  2. After autoclaving Solutions A and B separately and cooling to 50C, aseptically mix both solutions and dispense into sterile test tubes or petri dishes.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-26T17:53:17.023175Z mediadive-import Imported from MediaDive Source: JCM, ID: J591
2026-03-13T06:19:16.689707Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:002939
2026-03-17T06:30:46.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:45:30.276832+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
2026-06-05T07:41:07.202539+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 1 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.