Controversial Topics Flashcards
What are the 4 hospitality controversial topics?
irradication
genetically modified food
“pink slime”
Bovine spongiform encephalopathy
What is irradiation? What does it do
process of exposing gamma rays to food
- excites the electrons
- destabilizes DNA: so bac cant produce, prevents ripening
- sterilizes pests present on produce
What are the effects of irradiation?
“redeurized”
creates radiolytic products or “free radicals”
What can you not irradiate?
fresh eggs oysters (kills them) lettuce/ green veggies bananas (brown spots) grapes (softens them)
What are down sides to irradiation?
doesn’t protect against recontamination
Europe bans except dried spices/ herbs
controversial for safety
What bac and parasites does irradiation kill?
e. coli
trichinosis
salmonella
listeria
What are some of the top genetically modified food?
corn, soy, cotton, papaya, rice, canola, potatoes, tomatoes, dairy products, peas
What is GMO used for?
pollination for desirable traits
selective breeding
What are genetically engineered foods?
genetic code of one animal/ plant inserted into another animal/ plant
What is an example of GMO?
soybeans and peanuts together to fix the soil
What are the big 8 and what percent of allergens are related to them?
tree nuts, peanuts, eggs, milk, fish, crustaceans, soy, wheat
90
What is the prevalence of GE foods
__ soybeans
__ corn
__ of processed foods contain some GE
91
85
70
Define
allergic:
sensitivity:
intolerance:
A: any amount triggers a reaction
S: depends on amount digested
I: not able to digest food
What is a fear that is common among genetically engineered food?
disease takes out all the population
In GE fish what creates an environmentally toxic region?
their waste products
What is rBGH? how much did it increase in milk production?
recombinat bovine growth hormone
10-15%
What are the potential probs w/ rBGH?
increase risk w/ udder infection ( must increase use of antibiotics)
ovarian cysts
young girls maturing faster
What is BSE? what is it aka?
bovine spongiform encephalopathy
Mad cow disease
How did cows get BSE?
eating feed w/ sheep and cattle (they eat grass)
What is the cause of BSE?
Prion= folded protein
What are the symptoms of BSE? Incubation period?
loss of coordination can't walk blindness hallucinations fatal 20-30 yrs
What percent of produce is wasted in US?
50
How do ppl cope when resources are limited?
water down food 2- meals per day mud cookies (non-food)
What is the single gravest threat to the world’s public health?
hunger
