Aseptic Processing of Foods

Helmut Reuter, Professor at Christian-Albrecht-Universität, Kiel, Germany.

• Preface -Pre-sterilization of products -- 1 Basic principles -- 1.1 Fundamentals of UHT and HTST sterilization of foodstuffs.2 Ohmic heating of particulate food products 1.3 Dielectric heating of foodstuffs and temperature distribution in the product 2 Process and equipment for UHT and HTST pre-sterilization -- 2.1 Tubular heat exchangers systems for liquid foods with solid particles and criteria for structural behavior 2.2 Thermal stabilization of soups and sauces containing particles by double flow processing 2.3 Single-Flow Fraction Specific Thermal Processing (Single-Flow FSTP'1) of liquid foods containing particulates 2.4 New system for the sterilization of particulate food products by ohmic heating 2.5 Pasteurization and sterilization of unpackaged liquid food containing solid parts in a continuous process by means of microwaves 3 Sterile conveyance of liquids 4 Products -- 4.1 Soups and sauces UHT processed and aseptically packed 4.2 Flavorings for UHT-treated and aseptically packed soups and sauces 5 Processes for packaging materials sterilization and system requirements 5.1 Introduction -- 5.2 Sterilization of the packaging material -- 5.3 Aseptic packaging machines 5.4 Commercially applied aseptic packaging systems -- 5.5 Packaging materials -- 5.6 Pros and cons of aseptic packaging -- 5.7 Reference -- 6 Aseptic filling and packaging -- 6.1 Roll-fed carton packaging 6.2 Carton packaging from sleeves 6.3 Vertical form-fill-seal machines for bags.4 Thermoform filling and sealing machines for plastic cups 6.5 Thermoform filling and sealing machines for plastic cups with steam sterilization -- 6.6 Aseptic handling of particulate products 6.7 Manufacturing, filling and sealing of plastic bottles in the blow mould.8 Aseptic packaging in glass and plastic bottles.9 Aseptic packaging line for aerosol cans 6.10 Bulk aseptic packaging, the bag-in-box system 6.11 Sterile room techniques in the food industry 7.2 Thermoformable barrier sheets for shelf stable container in dairy applications 7.3 Glass for aseptic packaging 8 Quality protection -- 8.1 Hazard analysis in aseptic good manufacturing practice 8.2 Testing of aseptic machines for their efficiency of sterilization of packaging materials by means of hydrogen peroxide