WorksheetsFood Processing I (Part 1)
Total questions: 10
Worksheet time: 5mins
What is the significance of Thermal Death Time (TDT) in food preservation?
Determining the minimum processing time needed to ensure food safety
Identifying the lowest temperature at which all microorganisms are killed
Measuring the temperature change required for a tenfold reduction in D-value
Calculating the time required for a 1-log reduction in microbial population
Which principle involves the transfer of heat through electromagnetic waves?
Conduction
Convection
Radiation
Induction
What is the application of Pulsed Light (PL) technology in food processing?
Concentration of milk proteins
Extraction of bioactive compounds from herbs
Desalination of water
Surface disinfection of fruits and vegetables
What is the principle behind Fermentation in food processing?
Uses high-frequency sound waves
Utilizes beneficial microorganisms to convert sugars
Exposes food to ionizing radiation
Applies extremely high pressure
What is the significance of Z-value in thermal processing?
Determining the minimum processing time needed to ensure food safety
Measuring the temperature change required for a tenfold reduction in D-value
Quantifying the thermal resistance of microorganisms
Identifying the lowest temperature at which all microorganisms are killed
What is the application of Nanotechnology in food processing?
Inactivation of microorganisms on food surfaces
Encapsulation of nutrients
Extraction of caffeine from coffee
Surface decontamination of fresh produce
What is the principle behind Blanching in food processing?
Exposes food to ionizing radiation
Involves briefly heating food in boiling water or steam
Applies extremely high pressure
Uses dry heat in an oven
What is the application of High-Intensity Focused Ultrasound (HIFU) in food processing?
Pasteurization of liquid foods
Extraction of juices and oils
Emulsification of bioactive compounds
Surface disinfection of fruits and vegetables
What is the principle behind Ozonation in food processing?
Heats food to a specific temperature for a defined period
Uses O3 gas to inactivate microorganisms
Applies short bursts of high voltage to food
Utilizes beneficial microorganisms to convert sugars
What is the application of Controlled Atmosphere Storage in food processing?
Concentration of milk proteins
Surface decontamination of fresh produce
Modification of the atmosphere around food
Extraction of bioactive compounds from herbs
