Inactivation of Microorganisms on Polyethylene Exposed to Hydrogen Peroxide Vapors in Air at Various Temperatures

J Wang; RT Toledo

doi:10.1520/STP18325S

SYMPOSIA PAPER Published: 01 January 1986

STP18325S

Inactivation of Microorganisms on Polyethylene Exposed to Hydrogen Peroxide Vapors in Air at Various Temperatures

Source

Air saturated with hydrogen peroxide vapor in equilibrium with 35% (weight/weight) aqueous hydrogen peroxide solution possesses sporicidal properties suitable for use as a sterilant in aseptic packaging systems. At 70°C, a six-decimal reduction in population of Bacillus subtilis A and Bacillus subtilis var. globigii can be achieved after 0.95 and 1.2 min of exposure, respectively. Hydrogen peroxide vapor is adsorbed by the polyethylene surface. The adsorbed quantity that persists following 99.9999% inactivation of B. subtilis var. globigii decreased with increasing temperature. Without further treatment, residues will exceed the legal tolerance.

Author Information

Wang, J

University of Georgia, Athens, GA

Toledo, RT

University of Georgia, Athens, GA

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Details

Developed by Committee: F02

Pages: 37–48

DOI: 10.1520/STP18325S

ISBN-EB: 978-0-8031-4977-9

ISBN-13: 978-0-8031-0478-5

Inactivation of Microorganisms on Polyethylene Exposed to Hydrogen Peroxide Vapors in Air at Various Temperatures

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