Buffered Peptone Broth

Buffered Peptone Broth with sodium chloride pH 7.0 is a diluent used to prepare stock solutions or suspensions of water-soluble or non-lipid water-insoluble pharmaceutical products. The medium is also used to rinse membranes when the filtration method is used to enumerate bacteria, yeasts and molds on the surface of appropriate agar media. The diluent can also be used for stock solutions in the normalized methods for microbiological analysis of cosmetic products.