Commercial Preservation (Leaving Cert Home Economics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
ShowHide
Practise the questions
13 questions from this quiz
What temperature range does blast freezing typically operate at?
What temperature range does blast freezing typically operate at?
-30°C to -40°C
Which is the fastest commercial freezing method?
Which is the fastest commercial freezing method?
Cryogenic freezing
What advantage does fluidised bed freezing provide for small food pieces?
What advantage does fluidised bed freezing provide for small food pieces?
Prevents pieces from sticking together
What is the pH level threshold for high-acid food canning?
What is the pH level threshold for high-acid food canning?
4.6 or lower
How many stages are in the complete canning process?
How many stages are in the complete canning process?
6 stages
What is the alternative name for accelerated freeze drying (AFD)?
What is the alternative name for accelerated freeze drying (AFD)?
Lyophilisation
What do microorganisms produce as by-products during fermentation?
What do microorganisms produce as by-products during fermentation?
Alcohol, acids, and gases
What must appear on all irradiated food packaging?
What must appear on all irradiated food packaging?
The Radura symbol
Which is an advantage of food irradiation?
Which is an advantage of food irradiation?
Slows ripening in fruits and vegetables
How can ice crystal formation during freezing affect food texture?
How can ice crystal formation during freezing affect food texture?
Can damage cell walls, causing softness
Which foods are suitable for cryogenic freezing?
Which foods are suitable for cryogenic freezing?
Gourmet dishes, fruits, premium seafood
What is a limitation of sun drying as a preservation method?
What is a limitation of sun drying as a preservation method?
Weather-dependent and unreliable
Which foods are produced through lactic acid fermentation?
Which foods are produced through lactic acid fermentation?
Yoghurt, kefir, sauerkraut, kimchi