Food Processing I (Part 1)

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