r_agar_with_catalase

CultureMech:007617 bacterial COMPLEX SOLID_AGAR
Original name: R Agar With Catalase

Overview

External ontology
TOGO:M109 — R Agar With Catalase
Applications
  • Microbial cultivation
pH
7.2
Notes
TOGO M109 prepares R Agar from TOGO M19/JCM Medium 26 and supplements it with 60 mg/L filter-sterilized catalase.

Composition

flowchart LR
    CultureMech_007617["r_agar_with_catalase"]
    ing0_Bacto_peptone__BD_Difco_["Bacto peptone (BD-Difco)"]
    CultureMech_007617 --> ing0_Bacto_peptone__BD_Difco_
    ing1_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
    CultureMech_007617 --> ing1_Yeast_extract__BD_Difco_
    ing2_Malt_extract__BD_Difco_["Malt extract (BD-Difco)"]
    CultureMech_007617 --> ing2_Malt_extract__BD_Difco_
    ing3_Casamino_acids__BD_Difco_["Casamino acids (BD-Difco)"]
    CultureMech_007617 --> ing3_Casamino_acids__BD_Difco_
    ing4_Beef_extract__BD_Difco_["Beef extract (BD-Difco)"]
    CultureMech_007617 --> ing4_Beef_extract__BD_Difco_
    ing5_Glycerol["Glycerol"]
    CultureMech_007617 --> ing5_Glycerol
    CHEBI_17754["CHEBI:17754"]
    ing5_Glycerol -.-> CHEBI_17754
    ing6_Tween_80["Tween 80"]
    CultureMech_007617 --> ing6_Tween_80
    CHEBI_53426["CHEBI:53426"]
    ing6_Tween_80 -.-> CHEBI_53426
    ing7_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
    CultureMech_007617 --> ing7_MgSO4_x_7_H2O
    CHEBI_31795["CHEBI:31795"]
    ing7_MgSO4_x_7_H2O -.-> CHEBI_31795
    ing8_Agar["Agar"]
    CultureMech_007617 --> ing8_Agar
    CHEBI_2509["CHEBI:2509"]
    ing8_Agar -.-> CHEBI_2509
    ing9_Catalase__Sigma_C_10_["Catalase (Sigma C-10)"]
    CultureMech_007617 --> ing9_Catalase__Sigma_C_10_

Ingredients (10)

# Ingredient Concentration Ontology Notes
1 Bacto peptone (BD-Difco) 10 G_PER_L TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
2 Yeast extract (BD-Difco) 5 G_PER_L TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
3 Malt extract (BD-Difco) 5 G_PER_L TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
4 Casamino acids (BD-Difco) 5 G_PER_L TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
5 Beef extract (BD-Difco) 2 G_PER_L TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
6 Glycerol
C3H8O3 92.094 g/mol
2 G_PER_L CHEBI:17754
glycerol
TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
7 Tween 80
(C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C24H44O6 604.822 g/mol
0.05 G_PER_L CHEBI:53426
polysorbate 80
TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
8 MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
1 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
9 Agar 15 G_PER_L CHEBI:2509
agar
TOGO M19 and JCM Medium 26 list this component for R Agar; TOGO variants reuse the same agar base.
10 Catalase (Sigma C-10) 0.06 G_PER_L TOGO M109 lists 60 mg Catalase per liter of R Agar and separately sterilizes the catalase by filtration.

Preparation

  1. Autoclave the TOGO M19 R Agar base.
  2. Sterilize catalase separately by filtration.
  3. Add 60 mg/L sterile catalase to the R Agar base.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:53.894570Z togo-import Imported from TOGO Medium Source: JCM, ID: M109
2026-03-09T08:04:43.355249+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 1 solution(s) from ingredients
2026-03-13T06:19:50.096532Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:007617
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name
2026-03-17T19:46:08.457584+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "R Agar With Catalase" to "r_agar_with_catalase" for consistent matching
2026-05-16T09:03:07.556048+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-09-06T00:00:00-07:00 repair_bacterial_togo_score40.py RESOLVED_BACTERIAL_TOGO_SCORE40_GRAPH TOGO M109 prepares R Agar from TOGO M19/JCM Medium 26 and supplements it with 60 mg/L filter-sterilized catalase.