acidic_yeast_starch_agar_ph_5_0

CultureMech:010249 bacterial COMPLEX SOLID_AGAR
Original name: Acidic Yeast-Starch Agar (pH 5.0)

Overview

External ontology
TOGO:M835 — Acidic Yeast-Starch Agar (pH 5.0)
Applications
  • Microbial cultivation
pH
5.0
Notes
TOGO M835 mirrors JCM Medium 800: Acidic Yeast-Starch Agar uses JCM Medium 42 Yeast-Starch Agar (A) adjusted to pH 5.0.

Composition

flowchart LR
    CultureMech_010249["acidic_yeast_starch_agar_ph_5_0"]
    ing0_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
    CultureMech_010249 --> ing0_Yeast_extract__BD_Difco_
    ing1_Soluble_starch["Soluble starch"]
    CultureMech_010249 --> ing1_Soluble_starch
    CHEBI_28017["CHEBI:28017"]
    ing1_Soluble_starch -.-> CHEBI_28017
    ing2_Agar["Agar"]
    CultureMech_010249 --> ing2_Agar
    CHEBI_2509["CHEBI:2509"]
    ing2_Agar -.-> CHEBI_2509
    ing3_Distilled_water["Distilled water"]
    CultureMech_010249 --> ing3_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing3_Distilled_water -.-> CHEBI_15377

Ingredients (4)

# Ingredient Concentration Ontology Notes
1 Yeast extract (BD-Difco) 2.0 G_PER_L FOODON:03315426
yeast extract
JCM Medium 42 prints this component.
2 Soluble starch 10.0 G_PER_L CHEBI:28017
starch
JCM Medium 42 prints this component.
3 Agar 15.0 G_PER_L CHEBI:2509
agar
JCM Medium 42 prints this component.
4 Distilled water
H2O 18.015 g/mol
1.0 L CHEBI:15377
water
JCM Medium 42 lists 1.0 L distilled water.

Preparation

  1. Prepare Yeast-starch agar (A).
  2. Adjust pH to 5.0.
  3. Autoclave at 121 C for 15 min.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:55.802635Z togo-import Imported from TOGO Medium Source: JCM, ID: M835
2026-03-09T08:04:33.859682+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 1 solution(s) from ingredients
2026-03-13T06:20:12.419787Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:010249
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name
2026-03-17T19:46:31.363045+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Acidic Yeast-Starch Agar (pH 5.0)" to "acidic_yeast_starch_agar_ph_5_0" for consistent matching
2026-05-16T09:03:23.172157+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-09-06T00:00:00-07:00 repair_jcm_acidic_yeast_score40.py RESOLVED_JCM_ACIDIC_YEAST_SCORE40_GRAPH TOGO M835 mirrors JCM Medium 800: Acidic Yeast-Starch Agar uses JCM Medium 42 Yeast-Starch Agar (A) adjusted to pH 5.0.