93395

Tryptone Soya Yeast Extract Agar

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): TSYEA
• UNSPSC Code: 41171605
• NACRES: NA.85

Properties

• agency: according to ISO 11290-1:2017; according to ISO 11290-2:2017
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 15.0 g/L ; casein enzymic hydrolysate, 17.0 g/L ; dextrose, 2.5 g/L ; dipotassium hydrogen phosphate, 2.5 g/L ; papaic digest of soyabean meal, 3.0 g/L ; sodium chloride, 5.0 g/L ; yeast extract, 6.0 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.3±0.2 (25 °C)
• application(s): agriculture; environmental; food and beverages; microbiology
• suitability: nonselective for Listeria spp.

Description

Application

Tryptone Soya Yeast Extract Agar is recommended for conformation of Listeria in Henry`s light. It is also recommended by ISO Committee under the specification ISO 10560:1993.

Preparation Note

Suspend 51 g in 1000 ml distilled water. Boil gently to dissolve the medium completely. Sterilize by autoclaving at 121 °C for 15 min.

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable