Culture Medium

Buffered Peptone Water (GranuCult)

Culture Medium from Merck

GranuCult prime, ISO 19250, ISO 6579-1, ISO 21528-1, ISO 22964, FDA-BAM, EP, granular, pkg of 0.5-25 kg

Manufactured byMerck
Merck logo
Buffered Peptone Water (GranuCult) culture medium by Merck
Overview

About Buffered Peptone Water (GranuCult)

Buffered Peptone Water is rich in nutrients and produces high resuscitation rates for sub lethally injured bacteria and intense growth. The phosphate buffer system prevents bacterial damage caused by changes in the pH of the medium. Peptone including enzymatic digest of casein acts as a source of carbon, nitrogen, vitamins and minerals whilst sodium chloride maintains the osmotic balance. GranuCult is the new brand name for the existing granulated dehydrated culture media which apply to new EN ISO 11133:2014 and various other ISO standards and FDA-BAM / USDA-FSIS methods for testing of food and water samples. All these media are currently being updated to be fully compliant to the latest version of these standards and regulations with respect to composition and quality control and will be available shortly.

Buffered Peptone Water is used in the testing of food and water samples. This product is suitable for the preliminary non selective enrichment of bacteria, particularly pathogenic Enterobacteriaceae such as Salmonella and Cronobacter, from food, animal feed, water, and other materials. The product is also suitable as a diluent for general use.

Technical Data

Buffered Peptone Water (GranuCult) technical data

storage temp.
15-25°C
suitability
Cronobacter spp.; Salmonella spp.; enterobacteriaceae; nonselective for bacteria (preliminary enrichment)
agency
APHA; EP; FDA-BAM; ISO 19250; ISO 21528-1; ISO 22964; ISO 6579-1; ISO 6887
sterility
non-sterile
form
granular
manufacturer/tradename
GranuCult prime
technique(s)
microbiological culture: suitable
pH
7.2 (37 °C, 25 g/L in H2O, after autoclaving)
solubility
25.5 g/L
bulk density
800 kg/m3
application(s)
cannabis testingfood and beveragesmicrobiologypathogen testing
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