Preservation of foods or foodstuffs, in general

AHUMAN NECESSITIES A23Foods A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A23B - A23J THEIR PREPARATION OR TREATMENT

A23L3/00Preservation of foods or foodstuffs, in general

A23L3/001Details of apparatus A23L3/003Control or safety devices for sterilisation or pasteurisation systems A23L3/005by heating using irradiation or electric treatment A23L3/0055with infra-red rays A23L3/01using micro-waves or dielectric heating A23L3/015by treatment with pressure variation, shock, acceleration or shear stress or cavitation A23L3/0155using sub- or super-atmospheric pressures, or pressure variations transmitted by a liquid or gas A23L3/02by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus A23L3/022with packages moving on the spot while being transported A23L3/025with packages on a drum with horizontal axis A23L3/027transported in a hydrostatic chamber A23L3/04with packages on endless chain or band conveyors A23L3/045transported in a hydrostatic chamber A23L3/06with packages transported along a helical path A23L3/065transported in a hydrostatic chamber A23L3/08with packages on a revolving platform A23L3/085transported in a hydrostatic chamber A23L3/10by heating materials in packages which are not progressively transported through the apparatus A23L3/12with packages in intercommunicating chambers through which the heating medium is circulated A23L3/14with packages moving on the spot A23L3/16by heating loose, unpacked materials A23L3/165in solid state A23L3/18while they are progressively transported through the apparatus A23L3/185in solid state A23L3/20with transport along plates A23L3/205in solid state A23L3/22with transport through tubes A23L3/225in solid state A23L3/24with the materials in spray form A23L3/245in solid state A23L3/26by irradiation without heating A23L3/263with corpuscular or ionising radiation A23L3/266with corona irradiation A23L3/28with ultra-violet light A23L3/30by treatment with ultrasonic waves A23L3/32by treatment with electric currents without heating effect A23L3/325by electrolysis A23L3/34by treatment with chemicals A23L3/3409in the form of gases A23L3/34095Details of apparatus for generating or regenerating gases A23L3/3418in a controlled atmosphere A23L3/3427in which an absorbent is placed or used A23L3/3436Oxygen absorbent A23L3/3445in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O A23L3/3454in the form of liquids or solids A23L3/3463Organic compounds Micro-organisms Enzymes A23L3/34635Antibiotics A23L3/3472Compounds of undetermined constitution obtained from animals or plants A23L3/3481Organic compounds containing oxygen A23L3/349with singly-bound oxygen A23L3/3499with doubly-bound oxygen A23L3/3508containing carboxyl groups A23L3/3517Carboxylic acid esters A23L3/3526Organic compounds containing nitrogen A23L3/3535Organic compounds containing sulfur A23L3/3544Organic compounds containing hetero rings A23L3/3553Organic compounds containing phosphorus A23L3/3562Sugars Derivatives thereof A23L3/3571Micro-organisms Enzymes A23L3/358Inorganic compounds A23L3/3589Apparatus for preserving using liquids A23L3/3598Apparatus for preserving using solids A23L3/36Freezing Subsequent thawing Cooling A23L3/361the materials being transported through or in the apparatus, with or without shaping A23L3/362with packages or with shaping in form of blocks or portions A23L3/363the materials not being transported through or in the apparatus with or without shaping A23L3/364with packages or with shaping in form of blocks or portions A23L3/365Thawing subsequent to freezing A23L3/37with addition of or treatment with chemicals A23L3/375with direct contact between the food and the chemical A23L3/40by drying or kilning Subsequent reconstitution A23L3/405Fractionated crystallisation A23L3/42with addition of chemicals before or during drying A23L3/44Freeze-drying A23L3/46Spray-drying A23L3/48Thin layer-, drum- or roller-drying A23L3/485Drum- or roller-drying A23L3/50Fluidised-bed drying A23L3/52Foam-drying A23L3/54using irradiation or electrical treatment