产品名称
GranuCult® Nutrient agar, ISO 6579, ISO 10273, ISO 19250, ISO 21528, APHA, suitable for microbiology
agency
APHA
ISO 10273
ISO 19250
ISO 21528
ISO 6579
form
medium granules (dehydrated (DCM))
manufacturer/tradename
GranuCult®
technique(s)
microbiological culture: suitable
pH
7.0 (37 °C, 20 g/L in H2O, after autoclaving)
solubility
20 g/L
bulk density
600 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
heterotrophic bacteria
Quality Level
Legal Information
Analysis Note
Appearance (colour): yellowish-brown
pH-value (25 °C): 6.8 - 7.2
Solidification behaviour (2 hrs., 45 °C): liquid
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)):
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)):
Inoculum on reference medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)):
Inoculum on reference medium (Salmonella enteritidis ATCC 13076 (WDCM 00030)):
Inoculum on reference medium (Yersinia enterocolitica ATCC 9610 (WDCM 00038)):
Inoculum on reference medium (Yersinia enterocolitica ATCC 23715 (WDCM 00160)):
Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)):
Colony count (Escherichia coli ATCC 8739 (WDCM 00012)):
Colony count (Escherichia coli ATCC 25922 (WDCM 00013)):
Colony count (Salmonella typhimurium ATCC 14028 (WDCM 00031)):
Colony count (Salmonella enteritidis ATCC 13076 (WDCM 00030)):
Colony count (Yersinia enterocolitica ATCC 9610 (WDCM 00038)):
Colony count (Yersinia enterocolitica ATCC 23715 (WDCM 00160)):
Colony count (Staphylococcus aureus ATCC 25923 (WDCM 00034)):
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)): ≥ 70 %
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≥ 70 %
Recovery on test medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≥ 70 %
Recovery on test medium (Salmonella enteritidis ATCC 13076 (WDCM 00030)): ≥ 70 %
Recovery on test medium (Yersinia enterocolitica ATCC 9610 (WDCM 00038)): ≥ 70 %
Recovery on test medium (Yersinia enterocolitica ATCC 23715 (WDCM 00160)): ≥ 70 %
Recovery (Staphylococcus aureus ATCC 25923 (WDCM00034)): ≥ 70 %
Incubation:
24 ± 2 at 37 ± 1 °C aerobic
Yersinia 24 ± 2 hours at 30 ± 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
Application
General description
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.
存储类别
11 - Combustible Solids
wgk
WGK 3
商品
Interview: Accurate microbiology QC methods for infant formula testing
实验方案
The International Organization for Standardization (ISO) published the revised EN ISO 21528-1 and EN ISO 21528-2 standards in 2017.
EN ISO 6579-1 standard specifies detection of Salmonella spp. in human consumption, animal feed, and environmental samples.
规定了在食品生产链中检测沙门氏菌水平的方法。
Discover the revised EN ISO 11290-1 and EN ISO 11290-2 standards and gain insights into updated detection methods for Listeria monocytogenes and Listeria spp., including enumeration in food, animal feed, and environmental samples. Explore culture media solutions.
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