Reagents & materials
Trypan blue; erythrosine - Reagents & Materials
What you need to perform one test: reagents, kits, consumables, equipment and quality controls, with their official basis. Quantities follow the validated method or the manufacturer's instructions for use (IFU).
Food dairy beverages brewing & honey · General
Trypan blue; erythrosine
Alternative yeast viability assays
Reagents & stains
| Item | Amount per test | Procure |
|---|---|---|
| Trypan-blue or erythrosine solution with the selected yeast suspension mediumPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
Kits
| Item | Amount per test | Procure |
|---|---|---|
| Optional single-dye viability reagentPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
| No validated universal food-yeast kit establishedPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
Consumables & materials
| Item | Amount per test | Procure |
|---|---|---|
| Counting chamberPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
| CoverslipPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
| Sample tubesPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
| Pipette tipsPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
Equipment
| Item | Amount per test | Procure |
|---|---|---|
| Brightfield microscopePer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
| Calibrated pipettesPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
Controls & reference materials
| Item | Amount per test | Procure |
|---|---|---|
| Assay-qualified stained/unstained reference preparationsPer validated method / manufacturer IFU | Per validated method / manufacturer IFU | MerckMerck (Sigma-Aldrich)Recommended · Official manufacturer site |
Official basis (Limited): Preserved as assay-specific alternatives. An exact official EBC/ASBC method supporting these named dyes was not authenticated in this review; the cited methylene-blue/violet method does not authorize substitutions.
Procurement note: Alternative research/locally validated assays. EBC methylene-blue/violet scope is not proof of validation for these substitutes.
Sources:G104 European Brewery Convention / The Brewers of Europe
Procurement links open the manufacturer's or distributor's page in a new tab. STAINIC does not sell these items; always buy products validated for diagnostic use and follow local regulations.