|MACCONKEY BROTH (PURPLE) (CM5a) 500g
MacConkey Broth (Purple) (CM5a) 500g
Thermo ScientificTM OxoidTM
Detect coliform organisms in water and milk examination with Thermo Scientific™ Oxoid™ MacConkey Broth Purple (Dehydrated). Bromocresol purple indicator in the medium provides more sensitive and definite indications of acid production as compared to neutral red indicator and is less inhibitory to Escherichia coli. The use of bromocresol purple corresponds to the alternative formulations recommended in ‘The Bacteriological Examination of Water Supplies’ and ‘International Standard for Drinking Water’.
MacConkey Broth Purple, Oxoid Composition
|pH 7.4 ± 0.2 @ 25°C
MacConkey Broth Purple, Oxoid Preparation:
To prepare single strength broth add 40g to 1 litre of distilled water. Distribute into containers fitted with fermentation (Durham) tubes. Sterilise by autoclaving at 121°C for 15 minutes.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at room temperature.