Würze-Agar (WÜA)
| Shorthand symbol: |
WÜA |
| Item number: |
40-1210 |
| Format: |
Petri dish, 90mm |
| Colour: |
Yellowish brown |
| Storage conditions: |
Light protected at constant temperature at 15-22 °C |
| Shelf-life: |
3 Months |
| pH: |
5.0 ± 0.2 |
For the cultivation, isolation and fortification of mushrooms and yeasts. The bacterial accompanying flora is slightly suppressed by the low pH of 5.0. The wort agar can be inoculated by the petri dish casting or spatula method. Further steps depend on the purpose.
| in g per 1l Nutrient medium | |
|---|
| Meat Peptone | 0.75 |
| Malts extract | 15.0 |
| Maltose | 12.75 |
| Dextrin | 2.75 |
| Potassium dihydrogen phosphate | 0.75 |
| Ammonium chloride | 1.0 |
| Agar | 15.0 |
| *Adjusted as required to meet performance standards |
Productivity
(Incubation conditions: upto 7 days at 28°C, Inoculum concentration: 80 - 120 CFU)
| Organism | Test strain | Specification | Comments | |
|---|
| Candida albicans | ATCC 10231 / WDCM 00054 / DSM 1386 | ≥ 50 % |
|
| Aspergillus brasiliensis | ATCC 16404 / WCDM 00053 / DSM 1988 | ≥ 50 % |
|
Microbial Contamination
(Incubation conditions: 5–7 days at 20–25°C and 5–7 days at 30–35°C)
| Specification |
|---|
No microbial contamination
|
