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AnS 460: Processed Meats
Final Vocab Review
94
Agriculture
Undergraduate 4
05/01/2017

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Term
Phosphates:
Definition
Sodium or potassium phosphates
Vary in pH and solubility
Permitted at 0.5% of products
Most commonly at 0.4%, because of natural phosphates.
May include NaOH up to 20% of the phosphates.
Term
Phosphate Functions:
Definition
pH: water binding, texture color,
Protein Solubility: Water binding, batters
Metal chelator: antioxidant is highly susceptible products.
Microbial inhibitor
Term
oRTHOPHOSPHATES:
Definition
Na2HPO4
Disodium phosphate
pH 9.2
Term
Pyrophosphates
Definition
Na2+H2P2O7
SAPP
pH 4.3
Na4P2O7 (tetrasodium pyrophosphate)
pH: 10.3
Term
Tripolyphosphate
Definition
Na5P3O10
Term
Polyphosphates
Definition
Glassy
A mix of chians
Term
metaphosphates
Definition
cycli phosphates
Not to be confused with hexametaphosphates
Permitted in meat products but rarely used
Term
Most Common Phosphates:
Definition
Sodium Tripolyphosphates
Tetra sodium pyrophosphates
Sodium polyphosphates
Sodium hexametaphosphate
Term
Fish Muscle Effects
Definition
Prevents protein denaturation/crosslinking and toughening in the freezer.
Term
Phosphate Concerns
Definition
-High levels can cause soapy flavors, phosphate whiskers, or cyrstals.
-pH effects on cured color development
-Collagen??
-Hydrolysis by phosphates in raw meat
Term
Antioxidants and synergists
Definition
BHA: butylated hydroxy anisole 0.003%
BHT: Butylated Hydroxy toluene, 0.006%
TBHQ: Tertiary butyl hydroquinone, 0.01%
PG: Proply gallate, 0.02%
Term
Synergists
Definition
Secondary Antioxidants
Chelators
Permited at the same levels as antioxidants
0.003% in dry sausage
0.01% of fat in fresh sausage.
Crtirc Acid, Citrate
Phosphates play a role.
Term
Natural Antioxidants/synergists
Definition
Tocopherols, rosemary, ascorbate, some spices
Term
Concerns for Antioxidants
Definition
Concerned about synthetics
Based on experimentally high doses
Term
Sweeteners
Definition
Primarily for flavor but may have other functions.
Term
Sucrose
Definition
Cane Sugar
100 on sweetness scale
permitted at levels sufficient for purpose
Generally used at 1 to 2%
moderates saltiness flavor
May contribute to microbial spoilage
Glucose + fructose with reducing groups untilizzed in linkage, therefore its a non-reducing sugar.
Term
Dextrose
Definition
Corn Sugar
Permitted at suffientce for purpose levels
Reducing Sugar: Free aldehyde/keton group
Will reduce metals
Reacts with amino groups on proteins to give browning during heating
Usefil fro grill products, undesriable for bacon
May be helpful for fresh sausage color.
Common carb used to ferment sausage to from lactic acid
Term
Corn Syrup/Corn Syrup Solids
Definition
Mix of carbs resulting from corn starch processing
Variable in sweetness, so limited to 2%
Variable in reducing sugar content too.
Contribute to significant water binding in products.
Term
Sorbital
Definition
50 on sweetness scale
Natrual organic alcohol compound found in berries and plants
Will NOT brown
permitted at 2% only in cooked sausage, franks and bologna.
Commonly used in roller-grill franks ans sausage products
Term
Fructose
Definition
150 on sweetness scale
high fructose corn syrup may be used i f DE = 93 or more
Fructose is 40% or more of solids and sweetness is sucrose.
Term
Stevia Sweetners
Definition
400X as sweet as sucrose
no calories
Rebaudioside A is compiund derived from stevia rebaudiana and is responsible for stevias sweet taste.
Approved by the FDA in 08 at GRAS, available as Truvia
Term
Starter Cultures
Definition
Strong flavor contributors with alctic acid tanginess, tartnes, or sourness
Must have a slow release of acid
Permitted used at 0.5%, most is added to water to disperse the started culture.
Term
Traditional Fermentations
Definition
Add salt, hold for several days
Term
Heterofermenative lactics
Definition
produce lactic acids and carbon dioxide
Causing gas pockets and blow-ups
Term
Homofermnative organisms
Definition
Produce only lactic acid (no gas)
Term
back-slopping
Definition
using a small amount of meat from successful batches before fermentation to mix with fresh meat
innoculates fresh batches with the homofermenative organisms
Term
Dependable fermentaions
Definition
Concenrtrated frozen or freeze dreied prep of bacteral cells
pure culture of selected organisms
Term
Starter Critical because:
Definition
Fermentation is typically done at 90 to 100 degrees F and 95 to 99% relative humidity
Maximizes bacterial growth and can be dangerous
Staf A is salt-tolerant, probably present and produces a serious toxin
Term
Staph A COntrol
Definition
LActic Acid
Term
Degree-Hours
Definition
product must reach a pH of 5.3 in less than 1200 degree-hours if less than 90F, 1000 degree-hours if between 90and 100 F and 900 degree-hours over 100F
Degree-hours is time at temperature above 60F.
Term
Chemical Acidulation
Definition
Alternative to biological acidulation from microorganisms
Lactic, citric acids encapsulate to be relseased slowly as the prodcut is heated.
Glucono delta lactone slowly froms gluconic acid in meat to simulate fermentation
Term
Mold Inhibitors
Definition
Drying fast enough to prevent surface mold, but slow enough that case handling happens on the outside.
Term
Propyl parabens
Definition
may use 3.5% solution to spray or dip casings
Term
Potassium Sorbate
Definition
10% solutions for psray or dip
Also quite effective inhibirot of bacteria
Term
Spices
Definition
Aromatic vegitative substances used fr seasoning food
no limits, except Mustard, at 1%.
Variable, perishable, highly contaminated with bacteria. Usually irradiated or use ethylene oxide to treat
Term
Functions of Spices
Definition
Flavor
Color
Antioxidants
Affect bacterial growth
significant protein source
product identity
Term
Spices may be used:
Definition
Natural spices can be whole, cracked, ground, etc
Term
Soluble spice extracts
Definition
most important is flavor
Can change due to essential oils
speice extracts =oleoresins
Term
Advantages of essential oils and oleoresins
Definition
easily dispersed
consistent flaovr
no bacterial contamination but appearance and color can be different
Term
Binders and Extenders
Definition
compounds that will increase binding properties or reduce overall cost
In general, limited to 3.5%, but many exceptions.
More is permitted in non-specific products.
Term
FUnction of binders and extenders
Definition
Improve emulsion batter stability
Increase yield
Improve slicing properites
function as flavor compoenents
allow for reduced fat products
Term
Classified as
Definition
Protein products
carbs
hydrocolloids and gums
Term
Cereals/grain products
Definition
usually flours
About 50% carbs and significant proteins
oat fiber has a lot of attentin due to health, but also good water binder
Limited to 3.5%, ecept mustard flour, which is 1%.
Term
Starches
Definition
corn, tapioca, potato
Excellent water binders
usually soften texture also
especially useful in low-fat products.
Term
Dry milk products
Definition
generally very good for flavor
non0fat dry milk- traditional for sausage use, must be calcium reduced form
Dried whey and hydrolizedwhy protein is becoming common.
Caseinate: milk protein, very effective binder, but relatively expensive.
Term
Gelatin
Definition
Form collagen
Utilized as a cold-set gel for jellied and canned products
gelatin in some low-fat products
gelatin quality: bloom value, up to 200, higher values to give greater clarity and viscosity.
Term
Collagen
Definition
Previously considered a problem in all cases. More recently, finely chopped or powdered collagen has been found to be a good binder.
Term
Soy Proteins
Definition
tremendous amount of developemtn and improvement in soy proteins.
Availabe as flour, concentrate, isolate,
All must be rehydrated with water before addition
Can be textureize to give fiber-like texture and increase textural proerties when added to products.
Term
Carrageenan
Definition
Extrated from seaweed
Excellent water binder
Forms thermally reverable gels
dispersion is critical
3 forms: kappa, lambda, iota.
Term
Xanthan Gum
Definition
most effective for increasing viscosity
good for maintaining freeze/thaw stability
Term
Enzyme or protein binders
Definition
transglutaminase(TG)
Enzyme that crosslinks protiens.
Links colavent bonds between glutamineand lysine amino acids.
used fro binding muscle pieces such as hs, tenterloins, etc.
Active over pH range-4-9, best at 6-7)
Inactivated by 70 to 75C
Term
Fibrimex
Definition
Tradenamefor a binding system using bloos clotting factors (fibrinogen, prothrombin)
Works similarly to TG, but somewhat less convienient because 2 ingresients are used.
Term
Non-Meat Proteins
Definition
Reduce cost and fat content
up to 2% soy isolate cans go into ingredients list without other label changes
Structural, textured forms and unstructured forms available.
Term
Causes of Food Allergies
Definition
Allergens are protiens
Abnormal immune system response to specific proteins.
IgE antibodies cause release of histamine and other compounds withch induce allergy response system.
Immediate or delayed allergies.
Term
Big 8 Food Allegies
Definition
Milk products, eggs, fish, crustaceans, peanuts, tree nuts, cereal glutens, soybeans
Term
Less Common Allergies
Definition
Papain, spices (anise, fennel, coriander, cumin), yellow mustard and mustard flour.
Term
Interventions to improve microbal safety
Definition
Carcass Washing: reduced and removing beginning numbers of bacteria
hot water, 95 degree C 90% processing plants use just hot water.
Reduced e coil and salmonella
Term
Organic Acids
Definition
approved since 92. Lactic or acetic acid most common!
especially effective is used with hot water baths
Good for salmonella, staph, Listeria
E Coli is ACID RESISTANCE
Term
Steam
Definition
Steam pasturization: 6.5-8 seconds of steam under pressure. raised carcass temp to 185 degrees F. kills 95 to 99% of bacteria.
steam vacuuming also developed to clean contaminated areas on carasses. Alternate to knife trimming.
Effective for salmonella, listeria, ecoli
Term
Tri-sodium Phosphate
Definition
approved in 1994, first for poultry
Primary effect prevents microbial cell attachment
especially useful if combined with organic acid sprays
Term
Acidified Sodium Chlorite
Definition
Citric acid plus sodium chlorite
Surface spray treatment
used for poultry, but approvedfor red meat and being adopted.
Effective against virturally allmicroorganisms including ecoil
Term
Sodium/potassium lactate
Definition
Permitted at 3% (4.8% commercial solution with is 60% lactate)
also seems to improve water retention, flavor and color
Term
Sodium Diacetate
Definition
permitted at 0.25% most often used with lactate
Term
Activaded Lactoferrin
Definition
Discovered in 39.
Approved 2002 by USDA for meat applications
Natural compound found in blood, saliva, and tears.
Effective agaist 30 pathogens including salmonella, E Coli
Binds rion very tightly which is how it inhibits bacteria.
antimicrbial peptide: natural antimicrobial
Term
Cetypyridinium chloride
Definition
quarternary ammonium compound
Leathal to salmonella, e coli, listeria
Currently allowed for exterior package surfaces, plant surface sanitizer and to treat chilling solutions used to cool cooked products.
Not yet approved by FDA or USDA.
Term
Dried plum products "prunes"
Definition
3% plum extract inhibits e coli, salmonella, listeria, and staph sp.
Hels retains moisture, has antioxidant activity.
does not change flavor.
Term
Post-packaging pastureization with heat
Definition
Reduced pathogens and spoilages
Effects are very dependent on package arrangements
Term
Irradiation
Definition
approved fro poultry in 92, and red meat in 2000.
Clearly effective against all microorganisms
Term
High Pressure Processing
Definition
use of 87,000 PSI to kill bacteria by disrupting cell functions
does not alter product
no special regulations or labeling
Term
Bacteriopahges
Definition
Highly specifics for different bacterial strains
Approved 2006 for use in foods including meat to reduce listeria
received FDA approval in 2010 of a phage product for e coli
Term
Dry Cure
Definition
rub outside with a dry mixture of ingredients, normally include nitrate for cured products
Pack product in stacks to exert pressure
store in curing coolers
Re-rub at periodical intervasl
results in unique textures and flavors
Concerns:
Slow process, prone to spoilage
Uneven distribution
Difficult to control final concen. of ingredients
Term
Immersion Cure
Definition
Immuse whole product in brine to accomplish diffusion
most often used as a equilibration treatment of cover pickle for injected products
COncerns:
Slow process
cannot control ingredient pickup precisely
Term
Injection Curing
Definition
inject brine or solution with pump under pressure
Term
Artery Pump
Definition
for bone-in hams, femoral artery is exposed and can be used as aninjection-distrubution channeling system. Results in good distribution when possible
Term
Needle Injections
Definition
Single or limited needle system
Slow, labor intensive, uniform distribution unlikely
Multiple needle systems:
Most common
Injection pressure and frequency can be adjusted to control amounnt injected
Very uniform and consistent.
Term
Brine/Injection solution considerations
Definition
desired final conectration
injection level of water
yields from cooking and or smoking
Term
Maceration
Definition
Slashing or cuting the surface of meat pieces to expose more lean surface and improve protein extraction during tumbling and massasging
Term
Tumbling/Massaging
Definition
most commonly ustilided for a sectioned and formed products like hams, but al works wll for dry=cure for bacon, or equilibrium of cure in pork loins, bone in hams, etc.
Objectives:
speed diffustions of brind
disrupts miscle cells and increases protein extraction
Weakening or breaking connective tissue for tenderization
Term
Advantages of TUmbling and massaging
Definition
Uniform equilibirum of added ingredietns
pricese pickup f brine and ingredietns
imroves cook yields
increases tenderness and palatabity
improves slicing properties and slice apperance
Faster curing time
can add trimmings as ground meat
Term
General considerations
Definition
best done at 38 to 40 degrees
Time and extent depend on msucle tissues used
muscle surfaces must be free of fat and connective tissues
time is widely variable rfom 2 to 24 hours depending on product
Term
Objectives of Cooking
Definition
PAstureization and sterilization
Beware the load
Develop retain quality flavor, juciness, texture, aroma, apperance,
May inculde fermentation incubation before final
Term
Objectives of Smoke Application
Definition
flavor
Color
Preservation
Surface protein coagulation
Term
Cooking (thermal processing) considerations
Definition
Heating medium
Hot air, hot water, microwave
Heat and mass transfer
Term
Natrual Casings
Definition
Traditional products
submucosa layer of GI tract: mostly collagen
Highly perishable, salted to reduce spoilage.
Term
Hanks or bundes
Definition
Group of hog or sheep casings of 91 meters
Term
Green Weight
Definition
stuffing capacity of casings per hank before cooking or smoking
Term
Shorts
Definition
3 to 6 foot lengths
Term
Whiskers
Definition
remnants of blood capillaries on casing surface with hair-like apperance
Term
Shirred
Definition
manufactured casings compressed into 12 to 18 inch lengths
Term
prestuck
Definition
manufactured casings with pinholes
Term
drilled
Definition
addition of 1/8th inch holes on casing end
Term
Reformed collagen
Definition
extracted collagen from beef hides, then resharped into casings.
Term
Co-Extursion
Definition
Collagen dough can be extruded over a meat product as product is stuffed. Kontura, Townsead Engineering
Term
Fresh Meat Packaging
Definition
Good O2 barrier, good water barrier, sealable, thermoforms, tear resistent
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