Fresh Meat Processing (Exam 2) Flashcards
How man changes are there in product characteristics?
Minimal
What is meat processing?
Any mechanical, chemical, or enzymatic treatment of meat that alters the form in which it originally occurs
What is “further processing”?
An industry term used to describe the processes of comminuting (chopping or grinding) or enhancing to add more value to low quality meats.
What is “further processing” also referred to as?
Value-added processing
What are 6 functions of further processing?
Preserve quality or extend shelf life Increase quality Increase safety Manipulate ingredients or formulate products Control portion Increase convenience for consumers
What are 5 ways to preserve quality/extend shelf life?
Chilling Packaging Antimicrobials Antioxidants Irradiation
How can tenderness be increased?
Tenderization
How can juiciness be increased?
Injection
How can flavor be increased?
Marination, injection
How can taste be increased?
Injection, rubbing, marination
What is the most commonly used process to increase safety?
Cooking
What is the first step in fresh meat processing?
Carcass breaking
Is there any loss in carcass breaking?
Bone loss and tissue loss
What is carcass breaking?
Primarily separating carcass into primal ad subprimals
What are the 4 primal cuts of beef?
Loin
Chuck
Rib
Round
What are the 4 primal cuts of pork?
Boston butt
Picnic
Ham
Loin
What are the 5 principles of carcass breaking and fabrication?
Separate fat vs lean Separate tough vs tender Separate thick vs thin Separate less valuable vs more valuable Cutting across the grain
What is the most common form of meat processing?
Size reduction
Is thinner meat more tender or less?
More
What type of meat is the most tender?
Ground meat
Why do we need tenderization?
Tenderness variation
Consumer’s preference
What are 4 things that affect tenderness?
Anatomical differences
Connective tissues
Age
Breed/species
Outside of tenderness, what is the most important thing to consumers?
Flavor
Do young animals or old animals have more tender meat?
Young
What is the 2nd most tender cut of meat?
Flat iron
What does beating with mallet do?
Breaks connective tissue
What are 5 methods of mechanical tenderization?
Cutting across the grain Flaking Needling Grinding Beating with mallet
What are methods of enzymatic tenderization?
Papain
Bromelain
Ficin
Where does papain come from?
Papaya
Where does bromelain come from?
Pineapple
Where does fincin come from?
Fig
Which is the least effective on collagen, papain, bromelain, or ficin?
Papain
Which is the most effective on collagen, papain, bromelain, or ficin?
Bromelain
Which is effective on both muscle fibers and connective tissues, papain, bromelain, or ficin?
Ficin
What are 2 methods of aging for tenderization?
Wet aging and dry aging
What is wet aging?
Bone-in or boneless subprimals in vacuum package for 24-28 days
Is there any loss with wet aging?
No
What is dry aging?
Bone-in or boneless subprimals, primals, or carcasses in cooler with controlled humidity for 90 days
What is the loss in dry aging?
40-50%
What is cooler hanging a form of?
Dry aging
What are 2 other methods of tenderization?
High temperature conditioning
Short-term muscle shortening
What is high temperature conditioning?
Accelerated aging
Why is high temperature conditioning risky?
Bacteria can live
What is short-term muscle shortening a disruption of?
Z-line
What is a method of short-term shortening?
Electrical stimulation during slaughter
What is shelf life?
The length of time before meat products become unpalatable, unsafe for human consumption, or unattractive in the display case
Why is shelf life of meat limited? (4)
Highly perishable
Close to neutral pH
High water activity
Great source of nutrients
What is the main form of shelf life extension and preservation?
Refrigeration
What is the appearance like due to spoilage?
Slimy caused by organic acids, protein degradation, mold/yeast growth
What causes discoloration of spoiled food?
pH change
What is the appearance of food like after oxidation?
Not much change
What percentage of meat consumption is ground meats?
60%
What is the most common ground meat?
Hamburger
What type of ground meant is on the rise along the coasts?
Pork patties
How many times do you grind ground meats?
Twice
How much of the beef production in the US is ground beef?
25%
What is the normal fine grind size of ground beef?
1/16”
How can patties be frozen? (3)
IQF
Blast
Liquid nitrogen
Practice adjusted fat content math
Practice adjusted fat content math
What is freezing patties important for?
Maintaining form, freshness, and safety
Know the differences between chopped beef/ground beef, hamburger, and beef patties
Know the differences between chopped beef/ground beef, hamburger, and beef patties
How much fat is there in ground beef?
No more than 30%
Can fat be added to ground beef?
No more than what is in the trimmings
How much of ground beef meat can come from cheek?
No more than 25%
What can not be added to ground beef?
Water
Phosphates
Binders
Extenders
Can ground beef have seasonings?
Yes
How much fat is there in ground beef hamburgers?
No more than 30%
Can fat be added to ground beef hamburgers?
Yes
How much of ground beef hamburger meat can come from cheek?
No more than 25%
What can not be added to ground beef hamburgers?
Water
Phosphates
Binders
Extenders
Can ground beef hamburger have seasonings?
Yes
What is MAP?
Modified Atmosphere Packaging
With textured vegetable protein in ground beef, how must it be labeled?
Descriptively with soy and other extenders
What can irritation ground beef of beef patties contain?
Anything
What is carrageenan often found in?
Meatballs
What is carrageenan isolated from?
Red seaweed
What does carrageenan do?
Thickens, gelatinize, stabilizes, and suspend proteins
What are the roles of fat in meat products? (4)
Flavor
Texture
Carriers of fat-soluble nutrients
Health
What does fat do for health?
30% calories recommended from fat
What is LFTB?
Lean finely textured beef
What is MDM?
Mechanically deboned meat
What is mechanically separated meat used for?
Processed meat products
Where is the most popular place that MDM is from? Why?
Chicken
Flavorful and juicy
What does restructured mea products increase?
Value of cheap meats
What are restructured meat products?
When the muscle is separated and reshaped into more desired products
What are methods for binding restructured meat products? (3)
Use massage or tumbling to extract proteins
Use binders
Transglutaminase
What is transglutaminase?
Proteins crosslinks
What is the most rapidly growing sector of the meat industry?
Case-ready fresh products
How are meat products shipped to supermarkets?
In sale-ready packages
What is the most significant technology development for case-ready products?
Impermeable and permeable films
Oxygen exchange