1.11471
Nutrient agar
NutriSelect® Prime, acc. to German Standard Methods, granular, for heterotrophic bacteria, pkg of 500 g, pkg of 5 kg
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| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
500 g | Spedizione prevista il26 maggio 2026daMerck S.p.A | 405,00 € |
5 kg | Spedizione prevista il26 maggio 2026daMerck S.p.A | 3.850,00 € |
Informazioni su questo articolo
agency
acc. to German Standard Methods
Quality Segment
form
granular
packaging
pkg of 5 kg, pkg of 500 g
manufacturer/tradename
NutriSelect® Prime
technique(s)
microbiological culture: suitable
pH
7.1-7.5 (37 °C, 40 g/L in H2O, after autoclaving)
solubility
40 g/L
bulk density
560 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
heterotrophic bacteria
Analysis Note
Appearance (color): yellowish brown
pH-value (25 °C): 7.1 - 7.5
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Bacillus subtilis ATCC 6633 (WDCM 00003)):
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)):
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)):
Colony count (Bacillus subtilis ATCC 6633 (WDCM 00003)):
Colony count (Escherichia coli ATCC 8739 (WDCM 00012)):
Colony count (Escherichia coli ATCC 25922 (WDCM 00013)):
Recovery on test medium (Bacillus subtilis ATCC 6633 (WDCM 00003)): ≥ 70 %
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)): ≥ 70 %
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≥ 70 %
Incubation: 44 ± 4 hours at 36 ± 1 °C, aerobic
A recovery rate of 70 % is equivalent to a productivity value of 0.7.
The indicated colony counts result from the sum of a triple determination.
Reference media: Tryptic Soy Agar
Other Notes
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
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Questo articolo | |||
|---|---|---|---|
| suitability heterotrophic bacteria | suitability yeasts | suitability nonselective for | suitability nonselective for bacteria (General Media) |
| agency acc. to German Standard Methods | agency - | agency - | agency according to ISO 6579-1:2017 |
| form granular | form medium granules (dehydrated (DCM)) | form powder | form powder |
| technique(s) microbiological culture: suitable | technique(s) microbiological culture: suitable | technique(s) microbiological culture: suitable | technique(s) microbiological culture: suitable |
| application(s) food and beverages | application(s) food and beverages, microbiology | application(s) food and beverages | application(s) agriculture |
| pH 7.1-7.5 (37 °C, 40 g/L in H2O, after autoclaving) | pH 5.3-5.7 (25 °C, 77 g/L in H2O, after autoclaving) | pH 7.5±0.2 (25 °C) | pH - |
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Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 3
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