-
-
Advantage of butcher shop
shoppers can ask questions pertaining to meat selection, cooking, and serving
-
convenience store meats are limited to
vacuum packaged meats
-
Specialty shops offer
attractively packaged items with unique palatability characteristics
-
Type of meat in specialty shops
country cured hams, jerky, dry sausage, game
-
Case life for a specific cut is determined by
- microbial contamination
- microbial activity
- met-myoglobin reducing ability
-
shelf life for tenderloin, ground beef
1 day
-
shelf life for chuck, shoulder, round cuts
2 days
-
shelf life for loin and rib cuts
3 days
-
If cuts are discolored at the sell by date or earlier
-
Average value deterioration is _____ and _____ for meat department and fresh meat case respectively
-
Increasing the shelf life by 1-2 days would save the meat industry
175 mil - 1 bil annually
-
Extending the shelf life by assuring that retail cuts have a bright pink-red color can be done by
delaying the breakdown of lipid
-
Quality deterioration occurs because of lipid ______ and ______
oxidation, muscle pigment oxidation
-
Lipid oxidation rate is effected by
polyunsaturated fatty acids and membrane bound phospholipids
-
Unsaturated fatty acids undergo ______ by a ______ mechanism
auto-oxidation, free-radical
-
Auto-oxidation of lipids involves
addition of an oxygen in place of a hydrogen
-
Lipid _____ radicals undergo reactions which form oxidation products
peroxy
-
breakdown of lipid hydroperoxides produces
aldehydes, ketones, and carbox. acids
-
________ reduce or prevent peroxidation
antioxidants
-
a natural antioxidant
rosemary extract
-
Oxidation of the _____ in muscle causes the change from ______ to ______
heme iron - oxymyoglobin to metmyoglobin
-
____% of surface is oxidized to metmyoglobin
60
-
MRA stands for
metmyoglobin reducing ability
-
reducing equivalents
NADH2
-
______ and ______ allow iron to remain in the reduced state longer
MRA and NADH2
-
Antioxidants for lipids
Vit. E, Oleoresins
-
Packages provide
- protection from product contamination
- prot. from deterioration
- product visibility
- label info
-
packaging materials vary in
- gas barrier properties
- sealability
- resistance to puncture
- opacity
- printability
- shrinkage properites
- resistance to oil and other properties
-
greatest use of packaging is made of the
copolymer films
-
copolymer films contain
3 layers
-
The addition of non-meat ingredients to whole muscle meat products to improve palatability, case life and retail yield
enhanced meat
-
Enhanced meat is also referred to as
deep marination
-
In deep marination:
solutions are injected into the meat product at low levels
-
deep marination solution ingredients
water, salt, alkaline phos (WHC), Na orK lactate (antimicro), natural flavors (rosemary, oleoresin)
-
enhanced meat is used in
case-ready systems
-
Standardized ____ and ____ is a prereq for good merchandising
cutting and nomenclature
-
Most tender cuts are from the
loin/rib
-
Less tender cuts are from the
leg
-
names of retail cuts are associated with
bone structure
-
URMIS
Uniform Retail Meat Identity Standards
-
URMIS provides a ______
numerical meat cut identification system and standardized nomenclature
-
The goal of URMIS is to eliminated
consumer confusion by multiple names
-
URMIS is maintained by the
Cooperative Meat Identification Standards Committee
-
Lack of _____ makes it difficult to identify beef cuts
bones
-
Retailer seldom leave more than_____ cm of fat on the surface
1.25
-
Labeling is used to communicate
- price, quantity, sell-by dates
- species, subprimal and retail cut name
- proper handling/safety
- nutritive value
-
Meat labeling is also used to identify____, _____, or both
brand, make a claim
-
Common beef labels (7)
- Traditional
- Pasture/Grass fed
- Natural
- USDA naturally raised
- Certified organic
- Locally raised
- branded beef
-
Pasture beef is finished on grass for the last
4-6 months
-
According to USDA natural beef is
does not contain artificial flavors, preservatives, and is minimally processed
-
Natural beef is confusing to consumers because
Each branded beef program decides if antibiotics/growth hormones will be used or not
-
Naturally Raised Beef must meet these standards
- Raised without growth tech
- no antibiotics
- never fed by-products
- "never ever" claim
-
Certified Organic must meet guidelines of
USDA National Organic Program
-
Standards for Locally Raised Beef
NONE
-
Certified Angus beef specification is for
certification by an Agricultural Marketing Service agent of US Prime and Choice steer heifer carcasses
-
Cert angus program specs
- genotypic or phenotypic characteristics
- practically free of capillary rupture in the ribeye
- free of dark cutting characteristics
-
Phenotypic angus beef should be at least ____% black
51
-
G1 cert angus beef carcass specs
- 1. Marbling of modest or higher
- 2. A maturity lean color and skeletal
- 3. med or fine marb texture
- 4. REA of 10 - 16
- 5. HCW of less than 1000 lbs
- 6. FT less than 1 inch
- 7. Mod. thick muscling - wider than long
- 8. no hump exceeding 2 in in height
-
Up to 1/3 of all meat is consumed in
Rest, Hotel, and ints. food service
-
Restaurant success depends on
- consumer satisfaction
- quality/cost of meat
-
Examples of institutional dining
Contract food companies - large business buildings, hospitals, schools, airlines
-
Aspects of institutional dining
- repeat customers
- high demands for nutritional offerings
- demand for unique products
-
First step in acquisition of meat for food service is
aquisition-procurement
-
_____ is the focus of every entree
menu development
-
IMPS
Institutional Meat Purchase Specifications
-
Specs for many fresh and processed meat items have been developed by
US Federal Meat Grading Service
-
NAMP
North American Meat Processors Association
-
NAMP has published the _____ and ______
meat buyer guide, poultry guide
-
Standardization of meat specifications is based on anatomical guidelines for removal from the carcass and susequent
trimming of fat and bone and superficial muscles
-
Numbers for ordering meat range from
100-800 - beef, lamb, veal, pork, cured/smoked/cooked pork, dried, cooked/smoked beef, beef by products (1700), veal (3000)
-
Poultry is specified by numbers
P1000 - P7500
-
______ is important is some species to assure eating and cooking qualities
Quality grade
-
Standard, Utility and Commercial grades, ______ is needed
tenderization
-
Fat is trimmed by ______ based on buyer specifications
purveyors
-
Cooking ____ and _____ from a frozen state is common practice
patties and nuggets
-
uniformity of size cuts is important because
- predictable cooking times
- serving yields
- serving size
- meat cost calculation
-
Size of primal, subprimal cuts, and roasts is governed by
size of the carcass
-
portion size of bone-in meats is controlled by
cutting procedure
-
Boneless primal and subprimal cuts may be __________ to creat a uniform size
frozen, tempered, and pressed
-
Purchasers my specify ____ or ____ but not both
weight or thickness
-
standardized weight is beneficial when
variable degrees of doneness is needed
-
Standardized thickness results in variation in
weight
-
Standardized thickness is beneficial to ______ situations
banquet/buffet
-
Meat patty size is controlled by_____ and______
thickness and weight
-
Patties are controlled by ______ per unit of _____
# of patties, weight
-
In aged beef, desirable tenderness and flavor is achieved at the expense of
shrinkage
-
Meat orders are based on projections of
business volume and type of consumer
-
Average losses of meat in food service range from
1/3 to 1/4 of raw weight
-
Most urgent consideration is meat ____ upon arrival
temp
-
Upon arrival in food ind., meat should be
examined and weighed
-
_____ meat should be seperated from _____ meat to avoid______
cured, raw, nitrite absorption
-
accidental nitrite absorption of raw meat results in
cure color development
-
Refrigerators should be free of
yeast and molds
-
Humidity should be controlled to prevent
Surface dehydration
-
recognized similarites between animal and human diseases
aristotle, hippocrates, virgil
-
Meat Inspection Act of 1906 included
- Antemortem inspection
- Postmortem Inspection
- product inspection
- sanitary environment restrictions
-
Chicagp press began to focus of sanitation and slaughter of diseased animals in
1880's
-
1890 - Congress passed a law requiring "_____" inspection, but it was _____ product only
in the piece, export
-
1891 - Secretary of Agriculture initiates ______ inspection
antemortem
-
_____ meat act of 1919
horse
-
Poultry products inspection act was signed into law in
1957
-
Humane slaughter act of 1958 was only required for
those supplying government with meat
-
_______ and _______ provided for state and federal cooperative program known as the ______ law
Wholesome Meat Act of 1967, Wholesome Poultry Products Act of 1968, "equal to"
-
_______ Agreement - TA plants are federally inspected, but staffed by state
Talmadge-Aiken
-
Consolidation of federal and state inspection
Federal Meat Inspection Act (FMIA)
-
Texas Meat Inspection Act is administered by
Texas Department of State Health, Texas State Meat and Poultry Inspection Program, Meat Safety Assurance Unit
-
Processed Products Inspection Improvement Act of 1987 did what?
allow processing plants with total quality control programs to receive less than continuous inspection
-
What prompted a more science-based program for meat inspection?
- studies and reports between 1980-1995
- highly publicized e.coli outbreak
-
In 1996, a major system was incorporated for sanitation
Pathogen Reduction and HACCP system
-
Exemptions from federal and state meat inspection include:
Custom slaughterers, and farmers
-
What ammendment allowed custom slaughterers to be exempt?
Curtis Amendment
-
Who is responsible for administering the federal meat and poultry inspection laws?
Secretary of USDA
-
Federal inspections are conducted by
FSIS - Food Safety and Inspection Service
-
Federal Inspection programs consist of
- Examination of animals and carcasses
- inspection at all stages to assure sanitation
- verification of SSOP and HACCP
- product sampling and analysis
- condemnation of unfit products
- examination of non-meat ingred. used in formulations
- application of identification standards for inspected meats
- ensure proper labeling - prohibit false/deceptive
- inspection of foreign meat
- certification of foreign plants that export to US
-
Cost of meat inspection amounts to ____ per person per year
$2
-
Meat inspectors consist of
Food inspectors (experienced laymen), lab inspectors (trained meat/food scientists), veterinary medical officers
-
Lay inspectors are trained to assist in ______ and ______ inspection, monitor SSOP HACCP reports, and report to ______
antemortem, postmortem, veterinarian
-
Inspection stamps include a _____ number, and _____ ink is used
establishment, edible
-
Procedure for Imported meat
- countries request acceptance
- investigation of foreign plants
- certification program established if pass
- plants are monitored routinely
-
SSOP are monitored by
sensory, chemical, or microbiological measures
-
First applied by Pilsbury Co in 1959 for NASA
HACCP
-
7 HACCP principles
- Conduct hazard analysis
- determine critical control points
- estab critical limits
- estab. monitoring procedures
- corrective actions
- verification procedures
- record keeping/documentation
-
in HACCP establishment is responsible for
- scientific validation of CCPs
- insuring HACCP function
- documentation and reassessment plan
-
______ also verifies the HACCP plan
FSIS
-
A ____ is required for every product produced by an establishment if hazard analysis reveals one or more food safety hazards that are reasonably likely to occur
plan
-
The government targets these pathogens for pathogen reduction
salmonella, E.coli 0157:H7, and listeria monocytogenes
-
indicator organism for the presence of other food poison organisms
salmonella
-
performance standards of this pathogen vary according to species
salmonella
-
Standard is _____ for this microorganism and positive test leads to condemnation of the contaminated product and recall
e.coli
-
found in ready to eat foods
listeria monocytogenes
-
US Condemned animals in antemortem inspection include
downers, deads, moribund (about to die), comatose, temp above 105 (106 if swine), animals with obvious symptoms of disease
-
FSIS 5-04 Notice is for
non-ambulatory disabled cattle
-
US Suspect consists of
seriously crippled, reactors to TB test, immature animals, minor epithelioma of the eye or orbital region
-
Postmortem inspection includes two distinct components
visual inspection of carcasses and HACCP
-
Postmortem inspection classifications
- US Retained - temporary
- US Inspected and Condemned
- US Inspected and Passed
- Passed for Cooking
- Passed for Refrigeration
-
Specified Risk Materials (SRM) for Bovine Spongiform Encephalopathy
cattle 30 months and older - brain, skull, eyes, trigeminal ganglia, spinal cord, vertebral column (excluding tail, transverse processes, and wings of sacrum), and dorsal root ganglia
for all cattle - tonsils and distal ileum of small intestine
-
Condemned material remains in the custody of ____ until disposal by approved methods
inspectors
-
Condemned material exposed by
- Rendering - inedible fats, greases oils
- Tanked - animal feed/fertilizer
- Incinerated
- Chemically denatured - kerosene, FD & C #3 dye, diesel, carbolic acid
- Frozen - held at -10 deg F for five days and sold as animal feed
-
Processed meat inspection requires ______, _____, _____ and _______ of HACCP plans for every product
development, implementation, validation, verification
-
______ is performed by operations such as cutting, boning, trimming, curing, smoking, rendering, canning, sausage manufacturing, packaging, handling, or storing of meats
Reinspection
-
_______ laboratories are equipped to make chemical, microbiological, and other technical determinations
Regional FSIS inspection
-
Prepared meat labels must include: (5)
- Name of product
- Ingredients statement
- quantity of contents
- inspection legend
- firm's name and address
-
Kosher means "______"
properly prepared
-
Kosher meat must meet requirements of_____ and ____ laws
Mosaic and Talmudic
-
______ is a specially trained scholar of dietary laws and performs the slaughter (kosher meat)
Shohet
-
______ is the term for meats that meet req. for Islamic food laws
Halal
-
Muslim slaughter procedure
- performed by Muslim of appropriate age
- "Allah" must be pronounced at the time of slaughter
- throat is cut in a manner to insure rapid, complete bleeding and death
-
Processing contributes to
preservation, convenience, appearance, palatability, variety, and safety
-
-
scientific principles were applied to processing in the
19th century
-
______ has changed the types of meat products made
refrigeration
-
Oldest form of processed meat
- 1500 BC Babylonians and Chinese
- 8th century BC - Homer's Odyssey
-
A sausage is any meat that is
chopped, seasoned, and formed into a symmetcrial shape
-
USDA classification of sausages
- Fresh
- Uncooked smoked
- cooked smoked - polish/german style
- cooked - hotdogs
- dry/semi dry - pepperoni, summer sausage
- luncheon meat, loaves & jellied
-
Curing is the addition of
salt, sugar, and nitrate
-
% salt in a brine solutions is expressed as
degrees brine
-
Sugar cure is
a mixture containing dextrose, sucrose, or both
-
_______ is a solution containing sugar cure
sweet pickle
-
-
An instrument used to measure the percent salt in a solution
Salometer
-
A Salometer measures ______
specific gravity or density of a solution
-
Percent pump is
amount of brine or pickle injected into a product in relation to the fresh or uncured product weight
-
Purpose of salt
- Flavor
- Antimicrobial
- enhance distribution of cure
-
Purpose of sugar
- Flavor
- Counteract harshness of salt
- energy source for bacteria during fermentation
-
Purpose of nitrates or nitrites
- Flavor - prevent warmed over flavor
- retard rancidity - inhibit clost. bot
- cured pink color
-
________ produces a deadly neurotoxin
clostridium botulinum
-
Purpose of phosphates
increases water holding capacity
-
USDA allows up to ___% phosphates in pickle, but not more than ___% in finished product
5, .5
-
Purpose of Ascorbates and Erythorbates
Cure reaction accelerators
-
What is added to ham to increase water holding capacity and weight?
phosphate water
-
tropical aromatics
spices
-
temperate zone spices
herbs
-
Flavor, quality, and strenght variation in spices is due to
climate, soils, raising/harvesting methods, storage conditions
-
Natural seasoning quality is judged by
essential oil content
-
essential oil content in seasonings
increase shelf life
-
The _____ the particle size of seasonings, the maximum the flavor
smaller
-
Ground spices are passed though natural ______ that have a certain number of openings per square inch
sieves
-
_____ unlocks natural flavor in seasonings
fineness
-
______ spices add color
pigmental
-
Volitile aromatic fraction of a spice
Essential oils
-
Essential oils are derived by ______
steam distillation
-
Essential oils are made up of
hydrocarbons, alcohols, esters, aldehydes, and ketones, and a non-volatile residue (wax)
-
main aroma carrier in essential oils
oxygen compound
-
______ contribute to odor and flavor value of essential oils
hydrocarbons
-
______ in essential oils are easily oxidized by light and air
hydrocarbons
-
Derived by solvent extraction of spices, contains volatile and non-volatile
Oleoresins
-
Solvents used for extraction of spices
acetone, ethanol, alcohol
-
Properties of oleoresin
- natural antioxidants
- free from bacteria
- do not mold
- less bulk
- not visible
-
What do you add to oleoresins to make them water soluble?
food grade emulsifiers (polysorbate 80), mono and diglycerides, water soluble gums
-
_________ are soluble carriers of spices which are easy to handle
Dry soluble or dispersed spices
-
Casings must be strong, but _____ and _____ while cooking
shrink and stretch
-
Artificial casings include
- cellulose casings - plants
- collagen casings - by product
-
4 types of casings
- animal
- regenerated collagen
- cloth
- cellulose
-
Animal casings are processed by
washing, scraping, and treating with chemicals to remove soluble compounds
-
animal casings include
all of GI tract from gullet to anus
-
Casing GI tract components include
esophagus, stomach, intestine, APPENDIX, and rectum
-
Animal casings are processed by
cleaning, salting, and grading by size
-
Animal casings contribute to up to ____% of the value of the live animal
25%
-
Disadvantages of natural casings
- costly
- less uniform in size
- more fragile
-
______ have same properties as animal casings, but more uniform and cleaner
regenerated collagen
-
Regenerated collagen casings are prepared from
corium layer of beef hides
-
Advantages of regenerated collagen casings
- more uniform in size
- stronger
- aldehyde treatment makes them more versatile than cellulose
- wide variety of sizes
-
Cellulose casings are made from
cotton bags derived from cotton linters or wood pulp
-
Advantages of cellulose casings
- Uniformity, strength, cleanliness, ease of handling
- can be printed or pigmented
- come in many sizes and types
-
Purpose of smoking (6)
- Aroma and flavor
- preservation
- creation of new products
- dev. of color
- formation of protective skin
- protection from oxidation
-
Two types of smoke
particle and vapor
-
Roles of phenols in smoke
- antioxidants
- color and flavor
- bacteriostatic
-
Role of alcohol in smoke
- carrier for volatile components
- slight bacteriocidal effect
- least important
-
most common alcohol in smoke
methanol
-
Role of organic acids in smoke
skin formation, red color
-
the 1-4 carbon acids are found in the ____ phase of smoke
vapor phase
-
5-10 carbon acids are found in the ____ phase of smoke
particle
-
Most important to smoke color, flavor, and aroma
carbonyls
-
Carbonyls occur in the steam distillable fraction and _____ phase
particle
-
Steam distillable fraction has more characteristic _____ and contains all of the ______ for the carbonyl compounds
aroma, color
-
______ are part of the particle phase of smoke and are recognized as carcinogens
hydrocarbons
-
In smoke, oxygen, CO2 and CO may react with ______ and affect _____
pigments, color
-
This gas is of the most concern when smoking meat
nitrous oxide
-
Nitrous oxide is linked to the formation of ______ in smoked foods
nitrosamines and nitrites
-
Liquid smoke is prepared by _______ of hardwood sawdust
pyrolysis
-
In liquid smoke, the smoke is captured by water by drawing it ________ to water in an __________
countercurrent, absorption tower
-
While capturing smoke in water, the water is _____ to the desired concentration
recycled
-
Smoke/ water solution is aged in order to
allow polymerization and tar precipitation
-
Liquid smoke is filtered through cellulose pulp filter to remove
hydrocarbons
-
The final product of liquid smoke consists of primarily _____ phase components such as:______, _______, _______, ______
- vapor
- phenols, organic acids, alcohols, carbonyls
-
Nutritional concerns of people today
- limiting fat
- cholesterol
- high blood pressure
- vitamins and minerals
- losing weight
-
Percent daily values from 3 oz of lean beef
- Protein - 50
- Phos - 20
- Riboflavin - 12
- B-6 - 18
- Zinc - 32
- Thiamin - 6
- Niacin - 19
- B12 - 15
- Iron 15
-
Ground beef contains ______% fat
4-27%
-
Fat % in prime, choice, select, and stnd
8-12, 4-8, 2-3, 1-2
-
Ounce for ounce, beef can be just as lean as
chicken
-
Average roast today has _____% less fat than 10 years ago
30
-
How to control leanness of beef
- buy cuts from loin or round
- 90% lean ground beef
- trim visible fat
- use low fat cookiing methods
- serve reasonable portion sizes
-
Trimming visible fat from cuts prior to cooking will reduce fat by
50%
-
Daily caloric intake/fat for most sedentary women and older adults
1600 cal/ 53 g fat
-
Calories/fat for children, teenage girls, active women, sedentary men
2200/ 73 g
-
Calories/ fat for teenage boys, active men, and some active females
2800/ 93 g
-
The US Centers for Disease Control estimates that approx ________ toddlers, _______ women have iron deficiencies
-
Iron from beef is called_____ iron and is more easily used by the body than _____ iron
heme iron, plant iron
-
Zinc is related to _______ function
enzyme
-
Zinc is important for
cell replication, hormone activity, and immune system resistance
-
Phosphorus is needed for
- Strong bones/teeth
- mineral balance
-
B- complex vitamins are most abundant in ____ meat
red
-
_____ is not found in plants
b12
-
Meat supplies these b-complex vitamins
B6, B12, riboflavin, niacin
-
Nitrate/Nitrite allowances for bacon:
- pumped: ingoing 120
- cvr pickle ingoing: 200
- residual 40 ppm
- no NO3 allowed
-
Nitrate/Nitrite allowances for cooked sausage
- ingoing 156 ppm
- residual 100 ppm
- no NO3
-
_______ is formed by breakdown of nitrite
nitrous acid
-
Dimethylamine and nitrous acid yield _____
Dimethylnitrosamine
-
______ have been shown to be carcinogenic
Nitrosamines
-
Delaney Amendment of the Pure Food and Drug Act says that
Food additives that cause cancer must be removed from the food supply
-
Scorching bacon promotes
nitrosamine formation
-
_______ is the nitrosamine of concern in bacon
N - nitrosopyrolidine
-
______ and ______ reduces formation of nitrosamines
Erythorbate, ascorbic acid
-
Sodium causes hypertension in ___% of Americans
20
-
____ is a salt substitute
KCL
-
Reduced sodium must be ____ less sodium for labeling
1/3
-
KCl must not exceed ___% because of _____
50, flavor
-
Normal salt formulation for 34-35% reduction
60% NaCl 40% KCl
-
KCl reduces
blood pressure
-
Cholesterol occurs as free (______) or combined with a fatty acid (_______)
non-esterified, esterified
-
Lean beef, pork, lamb has _____mg/ 100 g of cholesterol, (___% in non esterified)
70-75, 90
-
Blood cholesterol levels are related to
coronary heart disease
-
Fat has ____ times as much energy as protein or carbs
2.25
-
Essential fatty acids are
Linolenic, linoleic, and arachidonic
-
Other factors of high cholesterol levels that are not accounted for in most studies
heredity, lack of exercise, obesity, smoking
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