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What is the term for movement of a flavor compound out of a food product and into its packaging?

Sorption (or scalping or leaching)

What is the name of propylene polymer stretched in various directions?

Biaxial-PP

What food color requires mandatory labeling?

All of them

Out of these materials, which has the lowest oxygen transmission rate: a. LDPE b. HDPE c. PET d. PVC

PET.

What is hydrogen swell?

when a high acid food attacks the metal lining of the can, releasing hydrogen gas

Name three materials used for edible films.

Proteins, cellulose, starches, dextrins, plant hydrocolloids, waxes, other fatty materials

Why is AL layer used in retort pouches?

keep out light and for gas impermeability

In packaging, the joining of two or more films with adhesive is called?

lamination

A double seam consists of how many thicknesses of metal plates?

What is defined as an amorphous inorganic product of fusion that has been cooled into a rigid condition without crystallizing?

Glass

Food packaging may include a claim supported with some scientific study but does not meet a standard scientific study. What is it called?

Qualified health claim

Name three functions of packaging in protecting food from deterioration.

recontamination with microorganisms, attach by insects and rodents, moisture gain or loss, air and light, and mechanical abuse

Name the plastic used in McDonalds’ clamshells before the company stopped using them.

Polystyrene

What type of packaging often has been filled with nitrogen or carbon dioxide gas?

modified atmosphere packaging

In packaging terminology, when does EVOH stands for?

ethylene vinyl alcohol

Name 4 basic requirements that are necessary during aseptic packaging.

sterile environment (or aseptic zones), sterilize product contact surface of the package by using heat/chemicals/high energy radiation, hermetically sealed containers, monitoring of critical factors such as air quality, sealing, temperature

In North America, what is the standard size of the pallets used in the Dairy industry?

40"x 40"

This important packaging material was patented in 1810 by Peter Durand of England.

Tin can

Which of the following are not part of a can double seam? A - cover hook, B - body hook, C - overlap, D - cover slip

d – cover slip

What is the name given to the propylene polymer produced by being stretched both in and across machine direction?

Bi-axially oriented polypropylene

What are the four most commonly used flexible packaging materials?

polyethylene, paper, cellophane, aluminum foil

What are the 3 principal functions of food packaging?

protect the food from outside influences and damage, contain the food, and provide the consumers with ingredient and nutritional information. (secondary functions that may be acceptable include traceability, convenience, and tamper indication)

Paper can be aligned in two different ways when fed into forming machines, what are the two ways?

machine direction and the cross direction.

What is the name of a flexible container made from polyolefin laminated to aluminum foil of 0.00035 to 0.00050 inch thickness?

retort pouch or retortable pouch

What is condensing plastic?

a plastic that can be reduced to its monomeric form, cleaned, and polymerized to be used again

Give 4 advantages of retortable pouches over tin cans and jars.

Reduced heat exposure -> improvements in taste, colour, and flavour; fewer nutrient losses, rapid heating in pouch, requires less disposal space, pouches and containers do not corrode externally and there is a minimum of product–container interaction, easy to open, no risk of cuts to consumer opening container, reduction in storage space requirements and lighter weight, savings in shelf space, easy to handle and display, opportunity to market multipacks, energy requirements for container construction are less than that for cans.

Name two plastic forming techniques.

injection molding, extrusion blow molding, compression forming, vacuum forming

Polyvinylidene chloride was the original name for this product that was created in 1942.

Saran wrap

Name four functions of edible film.

inhibit mass transfer, carry ingredients, improve mechanical integrity, improve appearance

Polyethylene is most often used in laminated packaging materials for __________

heat sealability

Among the following plastic films, which one is the most oxygen permeable? Plain celophane wrap, low density polyethylene, mylar (polyester)

low density polyethylene

Which of the following has the greatest market share of food packaging? A. flexible packaging, b. glass, c. other metals or d. paper & board

D. Paper and board

A can seam defect call “cut over” is also known as what?

Sharp seam

What plastic category, name and number, does the styrofoam belong in?

6. PS

Glass is composed of what 3 materials?

Sand (SiO2), soda ash ( Na2CO3), and Limestone (CaCO3)

What are the 2 metals used in drink or beverage cans?

aluminum and steel (tin-plated steel is also acceptable)

Why are corrugated boxes produced with flutes in the vertical direction?

Flutes provide structural reinforcement- improve strength in terms of crushing and stacking

In food packaging what do the initials LLDPE stand for?

Linear low density polyethylene

Apart from carbon dioxide, oxygen, and nitrogen, which other gas is allowed in some countries for MAP?

Carbon Monoxide

Foods and other grocery store products often contain a series of lines and numbers known as the product UPC code. What does UPC stand for?

Universal product code

Name the plastics associated with the 7 recycling numbers.

1: PET 2. HDPE 3. PVC 4. LDPE 5. PP 6. PS 7. Other

State the packaging material to which the numbers 1 to 7 inside a recycling logo correspond to.

1: PET 2: HDPE 3: PVC 4: LDPE 5: PP 6: PS 7:Other

Name the two methods of making two piece steel cans.

The two methods are draw redraw, and drawn and wall ironed.

Name of material from ground recycled glass use to make glass material

Cullet

In packaging what does WVTR stand for?

Water vapor transmission rate

What is misbranding?

a food has been improperly labeled or filled/packaged to be misleading

What type of oxygen impermeable packaging is typically used in red meat fabrication facilities?

vacuum packaging

What type of packaging controls involves actively or passively controlling the masses surrounding a product?

MAP

In intelligent packaging, what is TTI?

Time temperature indicator

The packaging material used to make plastic soft drink bottles?

PET (polyethylene terephthalate)

Name 3 types of aseptic packages.

preformed (cans, cups, glass, bottles), laminates and plastic containers, thermo-fill-seal, bags and pouches, and blow molded containers

What is meant by the "signature line" on a package?

the name and address of manufacturer, distributor or importer

State the packaging material to which the numbers 1 to 7 inside a recycling logo correspond to.

1: PET 2: HDPE 3: PVC 4: LDPE 5: PP 6: PS 7:Other

What is the general packaging material that prevents the entry of microbes and gas?

Hermetic

How can paper be loaded in laminating/packaging machine?

along the grain or perpendicular to the grain

Packaging material made out of cellulose?

Cellophane (paper is acceptable too)

What general class of packaging materials is used in aseptic brick packs and pringle cans?

laminates

What equipment is preferable to sterilize canned soups?

rotary retort

Why would it be beneficial to modify the atmosphere of a package that contains a food with polyunsaturated fatty acids with nitrogen?

Reduce oxidative rancidity/ Reduce lipid oxidation

A container that is absolutely impermeable to gases and vapors throughout its entirety is called what?

Hermetic

Classifying the following into either primary, secondary, or tertiary types of packaging. Cartons, boxes, trays, wrappers, pallets, bags

Primary – trays, bags, cartons, (boxes), wrappers Secondary – boxes Tertiary – pallets, wrappers

HDPE is a good barrier to what?

moisture barrier

What are substances that are incorporated into food products in low quantities from processing or packaging perspective?

indirect additives

Name two types of controlled atmosphere packaging.

vacuum packaging and shrink wrapping

What is the chemical name for the original saran wrap product?

Polyvinylidene chloride

This packaging material can be made by heating soda ash and sand.

glass

Why is stannous chloride added to canned tomatoes?

People are used to the tin taste from the good old days when cans were made of tin

From inside to outside, list the components of the four layers found in a “tin” can.

Enamel, tin, tin-iron alloy, steel

Which compound is the sealing layer in brik package?

What are 5 items that must be found on the nutritional facts label found on a food?

Serving size Servings per container Calories per serving, calories from fat Total fat Saturated fat Trans fat Cholesterol; Sodium Total carbs Dietary fiber Sugars Proteins Vitamin A Vitamin C

What is the most commonly used polymer in the food industry?

polyethylene

The most frequently used polymers on food packaging materials are PE, PP and PET. What do these abbreviations stand for?

PE – polyethylene, PP- polypropylene, PET – Polyethylene terephthalate

Small electronic device on packaging to track package data?

RFID

What is the term for the parts of a label that is most likely to be displayed presented shown under customary conditions of display for retail sale?

Principle display panel

What is MAP and CAP?

Modified atmosphere packaging and controlled atmosphere packaging

Name 4 types of modified packaging.

modified atmosphere packaging, controlled atmosphere storage, nitrogen flush packaging, vacuum packaging

How are two piece jar lids made?

draw and redraw

What are 3 common can seam defects?

cut over (sharp seam), cut seam (fracture), lip and droop, false seam and spinner (slip, skid, dead head)

What are three different methods for blow molding plastic containers?

extrusion, injection, stretch

Name the three tests for packaging materials.

Tensile strength, moisture transmission, Oxygen transmission

The third most abundant element in the earth's crust is used to make this packaging material?

Aluminum

Give 3 different types of active packaging.

oxygen scavenger, anti-microbial release, ethylene scavenging, vapour removal and temperature history.

Flashcard Info

Food packaging