r_cw_medium

CultureMech:001909 bacterial COMPLEX LIQUID
Original name: R - CW MEDIUM

Overview

External ontology
mediadive.medium:775 (source link unavailable) — R - CW MEDIUM
Applications
  • Microbial cultivation
pH
5.5
Notes
Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium775.pdf

Composition

flowchart LR
    CultureMech_001909["r_cw_medium"]
    ing0_Trypticase["Trypticase"]
    CultureMech_001909 --> ing0_Trypticase
    ing1_Tryptone["Tryptone"]
    CultureMech_001909 --> ing1_Tryptone
    ing2_Yeast_extract["Yeast extract"]
    CultureMech_001909 --> ing2_Yeast_extract
    ing3_KH2PO4["KH2PO4"]
    CultureMech_001909 --> ing3_KH2PO4
    CHEBI_63036["CHEBI:63036"]
    ing3_KH2PO4 -.-> CHEBI_63036
    ing4_Na_acetate["Na-acetate"]
    CultureMech_001909 --> ing4_Na_acetate
    CHEBI_32954["CHEBI:32954"]
    ing4_Na_acetate -.-> CHEBI_32954
    ing5__NH4_2_citrate["(NH4)2 citrate"]
    CultureMech_001909 --> ing5__NH4_2_citrate
    CHEBI_63076["CHEBI:63076"]
    ing5__NH4_2_citrate -.-> CHEBI_63076
    ing6_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
    CultureMech_001909 --> ing6_MgSO4_x_7_H2O
    CHEBI_31795["CHEBI:31795"]
    ing6_MgSO4_x_7_H2O -.-> CHEBI_31795
    ing7_MnSO4_x_H2O["MnSO4 x H2O"]
    CultureMech_001909 --> ing7_MnSO4_x_H2O
    CHEBI_86364["CHEBI:86364"]
    ing7_MnSO4_x_H2O -.-> CHEBI_86364
    ing8_Tween_80["Tween 80"]
    CultureMech_001909 --> ing8_Tween_80
    CHEBI_53426["CHEBI:53426"]
    ing8_Tween_80 -.-> CHEBI_53426
    ing9_Cheese_whey["Cheese whey"]
    CultureMech_001909 --> ing9_Cheese_whey

Ingredients (10)

# Ingredient Concentration Ontology Notes
1 Trypticase 5 G_PER_L MICRO:0000175 (source link unavailable)
Trypticase peptone
2 Tryptone 5 G_PER_L
3 Yeast extract 5 G_PER_L
4 KH2PO4
H2O4P.K 136.084 g/mol
5 G_PER_L CHEBI:63036
potassium dihydrogen phosphate
5 Na-acetate
C2H3O2.Na 82.034 g/mol
5 G_PER_L CHEBI:32954
sodium acetate
6 (NH4)2 citrate
C6H6O7.2H4N 226.185 g/mol
2 G_PER_L CHEBI:63076
diammonium citrate
7 MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
0.5 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
8 MnSO4 x H2O
H2O.Mn.O4S 169.016 g/mol
0.2 G_PER_L CHEBI:86364
manganese(II) sulfate monohydrate
9 Tween 80
(C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C24H44O6 604.822 g/mol
1 G_PER_L CHEBI:53426
polysorbate 80
10 Cheese whey 1000 G_PER_L

Preparation

  1. Adjust pH to 5.5 and distribute into screw-capped Wheaton tubes or Hungate tubes.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-26T17:53:12.202540Z mediadive-import Imported from MediaDive Source: DSMZ, ID: 775
2026-01-28T19:48:08.006319Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-13T06:19:08.328611Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:001909
2026-03-17T06:29:41.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:45:20.759218+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "R - CW MEDIUM" to "r_cw_medium" for consistent matching
2026-06-05T07:41:43.784047+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 6 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T07:47:10.830012+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 2 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.
2026-09-22T00:03:26.686152+00:00 repair_rejected_peptone_groundings.py CORRECTED_REJECTED_PEPTONE_GROUNDING CultureMech #484. /ingredients/0/term/id: Trypticase CHEBI:78018 -> MICRO:0000175 (replace_term). Reviewed identities: https://github.com/CultureBotAI/MediaIngredientMech/tree/24562493919391df4468a4285b7c997960cc8868. Publication resolver: MIM label index 9f09e4fb97fb0e6cbbd6f25baca40b36512adb88. MediaDive source IDs and concentrations preserved.
2026-10-07T12:21:30.028294+00:00 codex CURATED_MEDIUM_CONCENTRATION_SOURCE_EVIDENCE Exact medium/source membership, ingredient inventory/forms, physical-state conditions, literal snippets, and arithmetic checked. Stock boundaries, source-only rows, preparation context, and variants remain explicit follow-up tasks; secondary chemical mappings unchanged.