6. Food Packaging Flashcards
What is required on meat label?
1) Product name (cut name)
2) Inspection legend and establishment number 3)Handling statement
4) Net weight
5) Address line (signature line)
6) Safe handling instructions
7) Ingredients statement
8) Nutrition facts
What are the eight USDA quality grades of beef?
Prime-Choice-Select-Standard-Commercial-Utility-Cutter-Canner
What is the packaging material that is impermeable to gas?
Glass
The common brown grocery bag is made of what type of paper?
Kraft Paper
Which enzyme is associated with the quality of fruits and vegetables?
Pectin Methyl Esterase
What is the package material that prevents entry of microbes and gas?
Hermetic
Why is BPA being removed from plastic?
It’s an estrogen mimic that negatively influence sex ratios in fish and other organisms
When specifying the oxygen permeability of a packaging film what are the three of the five parameters that are given?
Film area-Temperature-Time Film Thickness-Relative Humidity
Name the plastic that was used in McDonald’s clamshells before the company recently stopped using them?
Polystyrene (expanded)
Used in food packaging what do the initials LLDPE stand for?
Linear low density polyethylene
A typical plastic milk bottle is made by a process known as:
Extrusion blow molding
Metal cans are coated with either tin or enamel. What coating should be used for high surface bearing products such as meats-fish-beans?
Enamel Coating
A can seam defect called cut over is also known as what?
Sharp seam (a sharp fin of the cover formed over the top of the seaming chuck flange during the seaming operation)
A double seam consists of how many thicknesses of metal plate?
5 (at the juncture of the end and side of a three piece can there are 7 thicknesses)
Why is stannous chloride added to canned tomatoes?
Because people are used to the tin taste from the good ole days when cans were made of tin
Give an example of a rigid package.
Can
Give an example of a flexible package.
Paper Bottle plastic film
The wall of a plastic container is 1/50 inch thick. How many mils thick is this?
20 mils
Describe the shapes of the two pieces used to make the typical two piece metal can for food.
One piece is a cylinder with a closed end and the other is a flat circle
Foods and other grocery store products often contain a series of line and numbers known as the products UPC code. What does UPC stand for?
Universal product code
The best corrugated flute style for stacking performance is:a. A-Flute b. B-Flute c. C-Flute d. D-Flute e. E-Flute
A-Flute (it is the thickest and therefore has the largest area to load)
What is the term for movement of a flavor compound out of the food product and into the package?
Sorption (or scalping or leaching)
What is the definition of flexible package films?
A thickness of .010 inches or less
In a canning operation what is the juncture of the double seam and the side seam of the can called?
Crossover or lap
Give the name of the package most commonly used for UHT milk.
Brik pak or tetra pak
What are the layers of the bag-in-box bag?
Polyethylene/aluminum foil/ polyethylene
Improperly packaged frozen foods often display surface discoloration. What is this defect commonly called and what process causes the defect?
Freezer burn caused by dehydration
What is the most commonly used film for fresh meat vacuum packages?
PVDC (polyvinylidene dichloride)
Name the two pieces in a two piece can.
body and lid
Name the three pieces in a three piece can.
Body, bottom and lid
What does differential tin coating mean?
The thickness of tin coating is different on the inside and outside of the can
What toxic chemical may be found in packages made from recycled paper?
pcb
What materials are used in a retortable pouch?
Polyester and/or oriented polypropylene (outer) / aluminum foil/ Polypropylene
What chemical is used in conjunction with the heat treatment of flexible packages during aseptic packaging of foods?
H2O2
What is the strength of a tin plate measured by?
Base Box
Why are high-basis-weight steel cans preferred over aluminum cans for packaging of heat sterilized foods?
Greater strength is needed to resist the high internal vacuums that occur on cooling