Peptone Water, buffered, 900 ml, 10 x 90 ml
Boiling point (bp) 100 °C
Melting point (mp) 0 °C
Storage temp. +15 to +25 °C
Transport temp. ambient temp.
excl. VAT. | 900 ml per Pack Qty.
Art. No. 1L8H.2
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Peptone Water, buffered ISO 6579, ISO 6887, ISO 22964, for microbiology
Buffered peptone water is a non-selective medium recommended as a preenrichtment medium by EN ISO 6579 normative in food samples containing suspected contaminants such as Salmonella and in ISO 22964 in milk and milk products for Enterobacter sakazakii.
This broth is rich in nutrients and produces high resuscitation rates for sublethally injured bacteria and intense growth.
Changes in pH my cause damages to bacteria growth. Buffered peptone water maintains a high pH over the enrichment period via the posphate buffer system and allows repair of injured cells sensitive to low pH.
Pancreatic digest of casein provides nitrogen, vitamins, minerals and amino acids essential for growth. Sodium pyruvate can be added as an additional source of energy, but may also have protective effects against hydrogen peroxide that aids in the resuscitation of stressed organisms. Sodium chloride supplies essentials electrolytes for transport and osmotic balance.
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|Order No.||Pack Qty.||Pack.||Packaging||Price||Quantity|
|1L8H.1||180 ml||glass||20 x 9 ml||
|1L8H.2||900 ml||glass||10 x 90 ml||
|1L8H.3||1 l||glass||10 x 100 ml||
Delivery date currently unknown
|Casein peptone||10 g/l|
|Sodium chloride (NaCl)||5 g/l|
|di-Sodium hydrogen phosphate||3.5 g/l|
|Dipotassium hydrogen phosphate||1.5 g/l|
|pH value (25 °C)||6.8-7.2|