kin 146 midterm 6 Flashcards
Examples of food borne infection
Clostridium bacterium
E coli
Listeria
Salmnella
Laws and standards to support food safety
Hazard analysis critical control point
Safe foods for canadians regulations
Batch numbering of manufactured foods
What does “best before” label mean
food quality and NOT food safety
“Expires on” label
used for infant formula and meal replacements
- can’t be sold past this date
- should not be consumed past this date
“sell by” label
about quality and helps the store manage their stock
Kitchen food safety; cook
hot foods kept hot (60 degrees C or higher)
Kitchen food safety; chill
keep below 4 degrees C (frozen -18 degrees C)
- refrigerate leftovers immediately, shallow pans, small portions
Irradiation
- Mould in grains, spices
- Insects in fruits and vegetables
- Delay sprout growth in potatoes and onions
- Kills bacteria in meat
- must declare on packagin
Contaminants
- From air, water, soil
- Plants absorb
- Animals eat the plants, drink the water and live in the water
- acute contamination; spill or accident
- small amount over a period of time; lax practices
- how persistent it is impacts how harmful it is
Prevention of contaminents
- Government
- Almost all fish have some level of trace amounts of mercury (high in large fish, farm raised have low conc. )
- select fish high in omega 3 and are smaller
- eat a variety
Natural toxin; goitrogens
- enlarge thyroid
- Brussel sprouts, cabbage, turnip, mustard greens, kale, cauliflower, broccoli, kohlrabi, radishes
- large amounts can aggravate a current thyroid problem
Natural toxins: cyanogens
lima beans, apricot pits
Natural toxins; alkaloids
nightshade plants - make solanine
- potatoes , tomatoes, eggplant, pepper
- need large quantities to cause a problem
- may increase exisitng inflammation
Pesticides
- can be in or on plant
- greatest risk for children, elderly and those with weakened immune systems
Maximum residue limit of pesticides set by the government
- includes imported foods
- level set well below the level that could cause harm
- what crops applied to