Thermo Fisher, R062946, Purple Broth w/1% Salicin w/DT

Quantity: 20 x 7 mL
Unit Size: Each
Gelatin peptone supplies amino acids and other nitrogenous compounds necessary for the growth of bacteria. To avoid the depletion of the substrate and reversal of the reaction the concentration of salicin is maintained at 1%. After production of acid from the fermentation of salicin, there is a development of yellow color. Gas formation can be detected in the Durham tube.
• Ready-to-use– Convenience of prepared media.
• Easy to interpret–
• Fermentation (acid production)
• Positive test– Yellow color development
• Negative test– Purple color, no color change
• Gas Production–
• Positive test– A bubble or bubbles in the Durham tube
• Negative test– No bubble(s) in the Durham tubeSodium chloride provides essential electrolytes and maintains osmotic equilibrium. Brom cresol purple is the pH indicator. Not all products are available for sale in all territories. Please inquire.Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.