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1.12535 Millipore

Peptone salt solution (Maximum recovery diluent)

acc. ISO 6887 and ISO 8199 GranuCult

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Properties

Quality Level   100
form   medium granules (dehydrated (DCM))
application(s)   microbiological culture: suitable
  microbiology: suitable
pH   6.8-7.2 (25 °C, 9.5 g/L in H2O, after autoclaving)
solubility   9.5 g/L
Featured Industry   Food and Beverages
suitability   heterotrophic bacteria
  heterotrophic bacteria
storage conditions   Store at +15°C to +25°C.

Description

Analysis Note

Appearance (clearness): clear
Appearance (color): colourless to slightly colourless
pH-value (25 °C): 6.8 - 7.2
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)): ≤ 100
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 100
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)): ≤ 100
Colony count (Staphylococcus aureus ATCC 25923 (WDCM 00034)):
Colony count (Escherichia coli ATCC 25922 (WDCM 00013)):
Colony count (Escherichia coli ATCC 8739 (WDCM 00012)):
Recovery (Staphylococcus aureus ATCC 25923 (WDCM00034)): 70 - 130 %
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)): 70 - 130 %
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)): 70 - 130 %
Incubation: 45 minutes up to 1 hour at 20 - 25 °C
Reference medium: Tryptic Soy Agar 18 -24 hours at 35 - 37 °C, aerobic

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
Protocols & Articles

Articles

Ask the Expert: How to Choose the Right Method for Microbial Testing in Infant Formula?

Infant formula and their ingredients are very sensitive foods which must be carefully microbiologically analyzed before release to market. Recent recalls of infant formula products due to microbial c...
Dr. Andreas Bubert
Senior Global Product Manager Culture Media F&B
Keywords: AGE, Culture media, Diseases, Environmental, Food & Beverage, Food Safety, Microbiology, Polymerase chain reaction, Polymerase chain reaction - quantitative, Sample preparations, Separation

Revised EN ISO 21528:2017 for Detection and Enumeration of Enterobacteriaceae in the Food Chain

The International Organization for Standardization (ISO) published the revised EN ISO 21528-1 and EN ISO 21528-2 standards in 2017. In Part 1, a horizontal method for the detection of Enterobacteriac...
Keywords: Culture media, Environmental, Microbiology

Standards for Detection and Enumeration of Listeria monocytogenes and Listeria spp. in the food chain

The International Organization for Standardization (ISO), published revised EN ISO 11290-1 and EN ISO 11290-2 standards in 2017. In Part 1, a horizontal method for the detection of Listeria monocytog...
Keywords: Antibiotics, Culture media, Environmental, Microbiology

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