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40 Cards in this Set
- Front
- Back
- 3rd side (hint)
Role of FDA
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Oversees processed and prepared foods once introduced to other foods
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Role of Usda
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Deals with meat, poultry, and eggs,especially freshly slaughtered meat.
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Common foodborne illness in chicken
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Listeria, campylobacter
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Effects of salmonella
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Abdominal cramps, diarrhea, fever
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Food infection
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Conusming large quantities of pathogens
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Food intoxication
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Getting ill from infesting toxins either introduced in the food supply, chemicals, or the toxins the microbe produces
Ex. Paralyzing botulism |
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Types of food hazards
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1. Biological
2. Chemical 3. Physical |
1. Infection. Ex: bacteria
2. Too many pesticides, toxins produced by pathogens, 3. Glass, bone, metal, plastic |
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Foodborne illness
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Transmitted to humans by food
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Outbreak
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Occurrence of 2 or.more cases of illness from ingestion of a common food
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People with.compromised immune systems
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Hiv, aids, diabetes. Higher risk of getting foddborne illness
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Food safety initiative
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Coordinates activities of government fir food safety. Includes the agencies :
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Fsis, Fda, Epa, aphis
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Pathogens
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Disease causing organisms
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Viruses, molds, bacteria, pathogens, prions(self producing, contains Rna, Dna, can cross brain barrier and cause protein malfunction
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Encephalopathy
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Spongiform-holes in the brain
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Cjv
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Human form of mad cow.disease. found in tribes that oracticed cannibalism
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BSE cause
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Feeding foes.other cows brain and spinal cord.
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Virus
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Can infexmct host and replicate.
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Hepatitis A transmission
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Fecal to oral contact, contaminated food /water, hepA infected person.
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Hepatitis C transmission
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From seafood
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Campylobacter
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Found in raw milk and raw near products
symptoms: |
Diarrhea. Can cause Guillain Barre Syndrome, irreversible
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Salmonella
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In high protein foods: raw eggs, milk, peanut butter
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E.coli
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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 |
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Parasite common types
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1. Giarda, found in unfiltered streams/ lakes
2. Trichinella, in undercooked/raw pork |
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Danger zone
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40-140F
4.4-60 C |
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FATTOM
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Food
Acidity Temperature Time Oxygen Moisture |
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HACCP
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1. Assess hazards
2. Identify critical control points 3. Establish limits 4. Monitor 5. Take corrective action 6. Document 7. Verify |
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Latent heat
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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
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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 |
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Boiling point
Freezing point Change with altitude? |
212F/100C
Boiling point: decreases |
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Colloidal dispersion
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Solvent where solute too large to dissolve but not large enough yo precipitate out.
consists of 2 separate phases: dispersed&continuous |
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Colloids
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Substance dispersed evenly throughout another one
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2 types.of dispersions
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Suspension
Emulsion |
Emulsion- liquid dispersed in another liquid usually incapable of being mixed. Ex: milk, icecream, Mayo
Suspension - Italian dressing |
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Methylxanthines
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Compounds that stimulate CNS
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Caffeine
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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 |
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Coffee tree species
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1. Arabica 75% of world production
2. Robusta used in instant coffee 3. Liberica |
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Top producers of coffee
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Brazil&Colombia
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Bitterness in coffee due to
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Chlorogenic acid+polyphenol compounds
Too long roast too fine grind Water temp - ideally 190_205 |
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Pyrolysis
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Chemical change resulting from exposure to heat
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Egcg
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Epigallocatechin gallate sntiocidant, raises metabolism
Least in black tea, highest in white teas, then green teas |
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Flavenoids
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Anticancer compounds
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Theanine
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Amino acid found most in white teas- relaxing & mood enhancer
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