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40 Cards in this Set

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Role of FDA
Oversees processed and prepared foods once introduced to other foods
Role of Usda
Deals with meat, poultry, and eggs,especially freshly slaughtered meat.
Common foodborne illness in chicken
Listeria, campylobacter
Effects of salmonella
Abdominal cramps, diarrhea, fever
Food infection
Conusming large quantities of pathogens
Food intoxication
Getting ill from infesting toxins either introduced in the food supply, chemicals, or the toxins the microbe produces
Ex. Paralyzing botulism
Types of food hazards
1. Biological
2. Chemical
3. Physical
1. Infection. Ex: bacteria
2. Too many pesticides, toxins produced by pathogens,
3. Glass, bone, metal, plastic
Foodborne illness
Transmitted to humans by food
Outbreak
Occurrence of 2 or.more cases of illness from ingestion of a common food
People with.compromised immune systems
Hiv, aids, diabetes. Higher risk of getting foddborne illness
Food safety initiative
Coordinates activities of government fir food safety. Includes the agencies :
Fsis, Fda, Epa, aphis
Pathogens
Disease causing organisms
Viruses, molds, bacteria, pathogens, prions(self producing, contains Rna, Dna, can cross brain barrier and cause protein malfunction
Encephalopathy
Spongiform-holes in the brain
Cjv
Human form of mad cow.disease. found in tribes that oracticed cannibalism
BSE cause
Feeding foes.other cows brain and spinal cord.
Virus
Can infexmct host and replicate.
Hepatitis A transmission
Fecal to oral contact, contaminated food /water, hepA infected person.
Hepatitis C transmission
From seafood
Campylobacter
Found in raw milk and raw near products
symptoms:
Diarrhea. Can cause Guillain Barre Syndrome, irreversible
Salmonella
In high protein foods: raw eggs, milk, peanut butter
E.coli
Found in ground beef, unpasteurized juices, sprouts, bagged spinach, contaminated water

Can cause:
HUS hemolytic uremic syndrome- damages blood cells and kidneys.
Renal failure cab cause multisystem failure, even death
Parasite common types
1. Giarda, found in unfiltered streams/ lakes
2. Trichinella, in undercooked/raw pork
Danger zone
40-140F
4.4-60 C
FATTOM
Food
Acidity
Temperature
Time
Oxygen
Moisture
HACCP
1. Assess hazards
2. Identify critical control points
3. Establish limits
4. Monitor
5. Take corrective action
6. Document
7. Verify
Latent heat
Amount if energy in amt of calories/gram absorbed or emitted to undergo a state change

Hidden heat
Amt of heat to change physical state if water w/o changing thermometer
Latent heat:
water to ice (heat of solidification)
water to steam (heat of vaporization)
Steam to water (heat of condensation)
Ice to water (heat of fusion)
80 c/g
540 c/g
Boiling point
Freezing point

Change with altitude?
212F/100C


Boiling point: decreases
Colloidal dispersion
Solvent where solute too large to dissolve but not large enough yo precipitate out.
consists of 2 separate phases: dispersed&continuous
Colloids
Substance dispersed evenly throughout another one
2 types.of dispersions
Suspension
Emulsion
Emulsion- liquid dispersed in another liquid usually incapable of being mixed. Ex: milk, icecream, Mayo
Suspension - Italian dressing
Methylxanthines
Compounds that stimulate CNS
Caffeine
Antagonist of adenosine receptors in brain. Adenosine helps you feel calm, relaxed, and sleepy
lower in darker roasts
Less in white teas, more abundant I. Teen tea
Coffee tree species
1. Arabica 75% of world production
2. Robusta used in instant coffee
3. Liberica
Top producers of coffee
Brazil&Colombia
Bitterness in coffee due to
Chlorogenic acid+polyphenol compounds
Too long roast
too fine grind
Water temp - ideally 190_205
Pyrolysis
Chemical change resulting from exposure to heat
Egcg
Epigallocatechin gallate sntiocidant, raises metabolism
Least in black tea, highest in white teas, then green teas
Flavenoids
Anticancer compounds
Theanine
Amino acid found most in white teas- relaxing & mood enhancer