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Dey-Engley Neutralizing Broth (D/E Broth Disinfectant Testing)
Dey-Engley Neutralizing Broth (D/E Broth Disinfectant Testing) is a medium used in disinfectant testing where the neutralization of antiseptics and disinfectant is important for determining its bactericidal activity.
Composition*
Ingredients
Casein Enzymic Hydrolysate
Yeast Extract
Dextrose
Sodium Thiosulphate
Sodium Thioglycollate
Sodium Bisulphite
Lecithin
Polysorbate 80
Bromocresol Purple
g/L
5.0
2.5
10.0
6.0
1.0
2.5
7.0
5.0
0.02
Application
Food
Dairy
Pharmaceuticals
Neutralizing Assay
fdef
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*Adjusted to suit performance parameters.
Final pH (at 25°C): 7.6 ± 0.2
g/L: Suspend 39.02 g of the powder in 1000 mL distilled water.
