Description
General description
Application
Preparation
The content is dissolved in each original vial by adding sterile distilled water (about 1 ml).
To prepare half-concentrated FRASER broth, the contents of 1vial of ammonium iron(III) citrate and 1 vial of selective supplement are evenly mixed into 1 litre of sterile FRASER broth base after it has cooled to about 45-50 °C.
FRASER broth is made by adding a further bottle of selective supplement to the half-concentrated FRASER broth.
PROPERTIES
Agency
ISO 11290
ISO
description
used with GranuCult™ FRASER Broth (Base) and GranuCult™ Half FRASER (Demi FRASER) Broth (Base)
form
lyophilized powder
composition
Acriflavine, 6.25 mg per vial
Nalidixic acid, 5 mg per vial
packaging
pkg of 10 vials
technique(s)
microbiological culture: suitable
pH
8.1-8.6 (20 °C in H2O, Aqueous solution)
application(s)
food and beverages
microbiology
pathogen testing
storage temp.
2-8°C
suitability
Listeria spp.
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