Topic 1 Flashcards
(23 cards)
What compound found in pomegranate was claimed to have anti-cancer properties?
aromatase inhibitors = slowed cancerous cell in a petri dish but cannot extrapolate those findings to humans
What in apricot was claimed to have anti-cancer properties?
laetrile in dried apricots bc of the release of cyanide but has no effect on humans
what is found in flax seeds that can have health benefits?
lignans, fibers and omega-3
what are lignans?
phytoestrogen
What is the effect of lignans on breast CA?
- can increase risk in premenopausal overweight women
- decrease risk from flax seeds because it protects overproduction of estrogen by booking the receptors
TRUE or FALSE
Brown eggs are more nutritious than white eggs?
FALSE it depends on the color of the hen’s feathers
Can enriched w-3 eggs be beneficial?
not as bioactive as w-3 in fish and need to eat a lot of eggs to see the same benefits
Can locally grown fruits and vegetables be more nutritious than frozen products?
yes
what is the number one source of antioxidants in the American diet?
coffee
Which foods have the most antioxidants per weight?
cranberries and grapes
What is the ingredient in oat bran that lowers cholesterol?
a soluble fiber called beta-glucan
Where can be found preservatives? and what is an example of a preservative?
they can be found in processed foods and propionates in sweat. they are NOT toxic! calcium propionate also a by-product of eating fat
Is alcohol good for health?
to see the benefits of reservatrol (antioxidant) in red wine more than 100 bottles need to be consumed
many studies found that it is a carcinogen substance (throat cancer)
What does bbq do to foods?
production of polycyclic hydrocarbon carcinogens (advanced glycation end product)
which cancer is linked with processed meats consumption?
colorectal cancer
what are the three issues that make foods not available for the entire population?
- distribution system
- food spoilage and waste
- insects
what is plumpy nut?
a RTUTF (ready to use therapeutic food) = a protein-based high-calorie bar with a long shelf life for children suffering from malnutrition
can we find toxic compounds in f&v?
yes but in really small quantities. for example = acetone in apple
what is a functional food?
food that was shown to have some physiological benefits and/or reduce the risk of chronic diseases
what was added to bread loaves to make them heavier?
plaster of paris = calcium sulfate
what is the recommended macronutrient distribution?
30% fat, 12% protein, 48% complex carb, 10% sugar
what is part of primary literature?
- full paper articles, communications, notes
What add value to papers?
results reproducibility and robustness
methods
generalizability
