Buffered Saline Peptone Water is a non inhibited medium, therefore allowing an easy recovery of stressed microorganisms. Buffered Saline Peptone Water is rich in nutrients and produces a high recovery of damaged cells and intensifies the growth of microorganisms. A feature common to all selective media is that sublethally injured organisms are not generally detected and therefore a recovery step must be included in examination procedures. Changes in pH may damage bacteria growth. Buffered Saline Peptone Water maintains a high pH via the phosphate buffer system and allows the repair of injured cells which are sensitive to low pH. Casein peptone provides nitrogen, vitamins, minerals and amino acids essential for growth. Sodium chloride supplies essential electrolytes for transport and osmotic balance.
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