modified_trypticase_soy_broth_mtsb

CultureMech:009452 bacterial COMPLEX LIQUID
Original name: Modified trypticase soy broth (mTSB)

Overview

External ontology
TOGO:M2917 — Modified trypticase soy broth (mTSB)
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M2917 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_009452["modified_trypticase_soy_broth_mtsb"]
    ing0_Pancreatic_digest_of_casein["Pancreatic digest of casein"]
    CultureMech_009452 --> ing0_Pancreatic_digest_of_casein
    ing1_Peptic_digest_of_soybean_meal["Peptic digest of soybean meal"]
    CultureMech_009452 --> ing1_Peptic_digest_of_soybean_meal
    ing2_Glucose["Glucose"]
    CultureMech_009452 --> ing2_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing2_Glucose -.-> CHEBI_17234
    ing3_Sodium_chloride["Sodium chloride"]
    CultureMech_009452 --> ing3_Sodium_chloride
    CHEBI_26710["CHEBI:26710"]
    ing3_Sodium_chloride -.-> CHEBI_26710
    ing4_Dipotassium_phosphate["Dipotassium phosphate"]
    CultureMech_009452 --> ing4_Dipotassium_phosphate
    CHEBI_131527["CHEBI:131527"]
    ing4_Dipotassium_phosphate -.-> CHEBI_131527
    ing5_Agar["Agar"]
    CultureMech_009452 --> ing5_Agar
    CHEBI_2509["CHEBI:2509"]
    ing5_Agar -.-> CHEBI_2509
    ing6_Yeast_extract["Yeast extract"]
    CultureMech_009452 --> ing6_Yeast_extract
    ing7_CO2["CO2"]
    CultureMech_009452 --> ing7_CO2
    CHEBI_16526["CHEBI:16526"]
    ing7_CO2 -.-> CHEBI_16526

Ingredients (8)

# 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 Yeast extract 0.6 PERCENT_W_V Role: Nutrient source; Properties: Undefined component
8 CO2
CO2 44.009 g/mol
variable VARIABLE CHEBI:16526
carbon dioxide
Properties: Gas

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:57.403165Z togo-import Imported from TOGO Medium Source: TOGO, ID: M2917
2026-02-03T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default concentration for ingredient: CO2
2026-03-13T06:20:06.241079Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:009452
2026-03-17T19:46:25.212674+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Modified trypticase soy broth (mTSB)" to "modified_trypticase_soy_broth_mtsb" for consistent matching
2026-05-16T09:04:26.378383+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1