期刊An Overview of Sterilization Methods for Packaging Materials Used in Aseptic Packaging Systems.pdfVIP

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期刊An Overview of Sterilization Methods for Packaging Materials Used in Aseptic Packaging Systems.pdf

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0960–3085/03/$23.50+0.00 # Institution of Chemical Engineers = = titles htm Trans IChemE, Vol 81, Part C, March 2003 AN OVERVIEW OF STERILIZATION METHODS FOR PACKAGING MATERIALS USED IN ASEPTIC PACKAGING SYSTEMS MD. I. A. ANSARI and A. K. DATTA Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur, West Bengal, India n aseptic packaging systems, packaging materials are sterilized by various methods in order to kill microorganisms contained in the packages during forming and transport I through the machine prior to lling. Experimental data as well as theoretical results from several years of research in the area of sterilization methods for effective inactivation of microorganisms on surfaces of aseptic packaging materials are compiled and presented in order to choose the right method of sterilization by the food processing industry for a successful ¯ operation. Hydrogen peroxide, with concentrations up to 30%, temperatures of up to 80 C and contact times up to 15 s, with or without wetting agent, has been found to be successful for in- line aseptic packaging. The nal product must not contain greater than 0.5 ppm