01497

Yeast Extract Agar

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): Water Plate Count Agar
• UNSPSC Code: 41171605
• NACRES: NA.85

Properties

• agency: according to ISO 6222:1999
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 15 g/L ; peptic digest of animal tissue, 5 g/L ; yeast extract, 3 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.2±0.2 (25 °C)
• application(s): bioburden testing; environmental; food and beverages; pharmaceutical; vitamins, nutraceuticals, and natural products; water monitoring; microbiology
• suitability: nonselective for Enterobacter spp.; nonselective for Escherichia coli; nonselective for Pseudomonas spp.; nonselective for Staphylococcus spp.; nonselective for coliforms

Description

Application

A highly nutritive medium containing yeast extract as a source of vitamines. Used for the plate count of organisms in water.

Preparation Note

Suspend 23 g in 1000 ml distilled water. Heat to dissolve the medium completely. Sterilize by autoclaving 15 minutes at 121°C.

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

• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)