Sterilization and Preservation: Terms, Definitions, and Techniques, Quizzes of Production and Operations Management

Download Sterilization and Preservation: Terms, Definitions, and Techniques and more Quizzes Production and Operations Management in PDF only on Docsity! TERM 1 sterilization DEFINITION 1 a process intended to kill all microorganisms and is the highest level of microbial kill that can be achieved TERM 2 Ways of stopping microbial growth DEFINITION 2 temperaturemoistureaciditynutrient source TERM 3 Aseptic packaging DEFINITION 3 packaging that implies there is no unwanted organism. both package and product are sterilized separately TERM 4 Hermetic DEFINITION 4 Air tight. eliminates unwanted organisms to come into the package TERM 5 Commercially sterile DEFINITION 5 The is no unwanted organisms that are capable of reproducing in the product under non-refridgerated conditions TERM 6 The two fields of applications DEFINITION 6 Packaging that is pre-sterilized and contains an already sterile productUnsterilized packaging that contains a non sterile product and then is sterilized together as a system TERM 7 Reasons for aseptic packaging DEFINITION 7 To enable containers to be used that are unsuitable for in package sterilizationTo take advantage of high temp, short time or HTST and ultra high temp, short time UHT sterilization TERM 8 Sterile DEFINITION 8 To be considered sterile there has to be at least a 10^-6 probability of survival TERM 9 D value DEFINITION 9 The time it takes to kill 10^-6 of the unwanted organismsDTemp: X min TERM 10 Thermal death time DEFINITION 10 F=D121(log a - log b)A=initial positionB=final position