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In this section: Laboratory Methods (Food)

BAM R90: Peptone-Tween-salt diluent (PTS)

Reagents Index for BAM

January 2001

Peptone	1.0 g
Tween 80	10.0 g
Sodium chloride	30.0g
Distilled water	1 liter

Dissolve ingredients in distilled water, adjust pH to 7.2 and dispense into bottles of desired volume. Autoclave 15 min at 121°C.

Original Source: Bacteriological Analytical Manual, 8th Edition, Revision A, 1998.

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