U.S. flag An official website of the United States government
  1. Home
  2. Food
  3. Science & Research (Food)
  4. Laboratory Methods (Food)
  5. BAM R90: Peptone-Tween-salt diluent (PTS)
  1. Science & Research (Food)

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

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

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.