Nutrient Agar (ISO) N

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of the classical formulation of APHA and other ISO standards. The ... References. ISO/TS 11133-1: 2009 Microbiology of food and animal feeding stuffs.-.
Nutrient Agar (ISO)

N

Art. No. 01-635 Specification General purpose solid culture medium, according to 21528-1 and 21528-2 ISO standards.

Formula* in g/L

References · ISO/TS 11133-1: 2009 Microbiology of food and animal feeding stuffs.-

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Peptone 5,00 Meat extract 3,00 Sodium chloride 5,00 Agar 15,00 Final pH at 25ºC, 7,3 ± 0,2 * Adjusted and /or supplemented as required to meet performance criteria

Directions Suspend 28 g of powder in 1 L of distilled water and bring to the boil. Dispense into suitable containers and sterilize in the autoclave at 121ºC for 15 minutes.

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Guidelines on preparation and production of culture media. Part 1: General guidelines on quality assurance for the preparation of culture media in the laboratory. ISO/TS 11133-2: 2003 Corr. 2004 Microbiology of food and animal feeding stuffs.- Guidelines on preparation and production of culture media. Part 2: Practical guidelines on performance testing of culture media. ISO 21528 Standard (2004) Microbiology of food and animal feeding stuffs - Horizontal methods for the detection and enumeration of Enterobacteriaceae - Part 1: Detection and enumeration by MPN technique with pre-enrichment - Part 2: Colony-count method.

Storage For laboratory use only. Keep tightly closed, away from bright light, in a cool dry place (+4ºC to 30ºC and 0.70

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Enterococcus faecalis ATCC 19433

Productivity > 0.70

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Bacillus subtilis ATCC 6633

Productivity > 0.70

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Escherichia coli ATCC 25922

Productivity > 0.70

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Salmonella typhimurium ATCC 14028

Productivity > 0.70

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Yersinia enterocolitica ATCC 9610

Productivity > 0.70

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