Card 141
Question
What is the machine used in paper making called?
Answer
Fourdrinier machine
Food Packaging
Discover Food Packaging: 308 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
308 flashcards
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Cards in this set
Card 142
Question
Improperly packaged frozen foods often display surface discoloration. What is this defect commonly called and what process causes the defect?
Answer
Freezer burn caused by sublimation leading to dehydration
Card 143
Question
What does G.T.R. stand for in food packaging?
Answer
Gas Transmission Rate
Card 144
Question
What does the GMO label on food packaging indicate?
Answer
Genetically modified organisms, one of the ingredients have been genetically modified
Card 145
Question
This packaging material can be made by heating soda ash and sand.
Answer
Glass
Card 146
Question
What is defined as an amorphous inorganic product of fusion that has been cooled into a rigid condition without crystallizing?
Answer
Glass
Card 147
Question
If one has a liquid product which is very acidic and reactive, the choice of packaging may be?
Answer
Glass
Card 148
Question
What is the packaging material that is impermeable to gas?
Answer
Glass
Card 149
Question
What chemical is used in conjunction with the heat treatment of flexible packages during aseptic packaging of foods?
Answer
H2O2
Card 150
Question
What chemical is used to sterilize tetrapak packaging?
Answer
H2O2
Card 151
Question
Give 2 methods by which aseptic packages are commercially sterilized.
Answer
H2O2 rinse, steam, dry heat
Card 152
Question
What are plastic milk jugs mostly made out of?
Answer
HDPE
Card 153
Question
State the full names that correspond w/the recycling #2 for recyclable polymers.
Answer
HDPE= high density polyethylene
Card 154
Question
What is the name given to the volume of gas between the surface of the food product and the package?
Answer
Headspace
Card 155
Question
Polyethylene is most often used in laminated packaging materials for __________
Answer
Heat sealability
Card 156
Question
What is the requirement for the inner layer of a retortable pouch?
Answer
Heat sealable, inert
Card 157
Question
Two part question: Early in 1991, Heinz implemented a new innovation in the packaging of one of their major products. What is the product and what is the change?
Answer
Heinz revolutionized the packaging of its Heinz Tomato Ketchup by indtroducing the upside-down bottle. The change was designed to address common frustrations of having ketchup stuck at the bottom of the glass bottle.
Card 158
Question
What does HDPE stand for?
Answer
High density polyethylene
Card 159
Question
Which two resins are the most commonly used for plastic packaging bottles?
Answer
High density polyethylene (HDPE) and Polyethylene terephthalate (PET)
Card 160
Question
Name 2 types of tinning process.
Answer
Hot dipping and electroplating
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