1.07881

Standard I nutrient agar

for the cultivation of fastidious bacteria

• Synonym(s): Standard nutrient agar
• UNSPSC Code: 41106213

Properties

• form: medium granules (dehydrated (DCM))
• manufacturer/tradename: GranuCult^®
• technique(s): microbiological culture: suitable
• pH: 7.5 (37 °C, 37 g/L in H₂O, after autoclaving)
• solubility: 37 g/L
• bulk density: 640 kg/m³
• application(s): clinical; microbiology
• suitability: Enterococcus spp.; Escherichia coli; Listeria spp.; Shigella spp.; Staphylococcus spp.; Streptococcus spp.

Description

General description

for the cultivation of fastidious bacteria

Analysis Note

Appearance (clearness)clearAppearance (colour)yellowish-brownpH-value (25 °C)7.3 - 7.7Solidification behaviour (2 hrs., 45 °C)liquidRecovery on test medium (Staphylococcus aureus ATCC 25923 (WDCM 00034))≥ 70 %Recovery on test medium (Streptococcus pyogenes ATCC 12344)≥ 70 %Recovery on test medium (Streptococcus pneumoniae ATCC 6301)≥ 70 %Recovery on test medium (Listeria monocytogenes ATCC 19118)≥ 70 %Recovery on test medium (Enterococcus faecalis ATCC 11700)≥ 70 %Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013))≥ 70 %Recovery on test medium (Shigella flexneri ATCC 12022 (WDCM 00126))≥ 70 %Incubation: 24 hrs.; 35 °C; aerobic.

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 Code: 11 - Combustible Solids
• WGK: WGK 3