Vitamins / nurtients etc. Flashcards
What can we do to help feed the world sustainably? (5)
stabilize the population stop wasting food eat lower on the food chain eat organic / locally grown food buy animal products from small fam farms
What are the protective factors from vegetarian diets? (4)
- lower in fat (lower risk: diabetes, heart disease, obesity, breast cancer)
- higher in fiber (lower risk: colon cancer & heart disease)
- higher in phytochemicals (lower: cancer & heart disease)
- higher in fruits & vegs (lower: hypertension)
What are the functions of vita B12? (2)
DNA synthesis & nerve cell communication
What is the deficiency associated w/ vita B12? &what does it entail? (2)
Pernicious anemia:
- muscle weakness
- neurological disturbances
What are the food sources of vita B12?
animal products ONLY
-eggs, dairy, fortified grains, milks, supplements
what’s the function of vita D>
involved in bone formation by regulating Ca absorption, metabolism, and excretion
What does vita D deficiency entail? (2)
- soft, weak bones
- potential greater risk for cancer or other chronic diseases
what are the sources of vita D? (2)
- fortified (soy) milks
- sun exposure (“sunny D, unleash the power of the sun”)
what are Ca’s sources? (4)
skeleton
muscle contraction
nerve transmission
regulation of blood pressure
what is Ca’s deficiency? What does it entail?
osteoporosis:
porous, brittle bones
what are sources of Ca?
milk, cheese, yogurt Ca-fortified milks dark greens greens nuts&beans
What are some recommendations with respect to Ca? (2)
Limit: soda, animal protein, & salt
&exercise
what are the functions of iron? (2)
oxygen-carrying component in RBCs
responsible for oxygenation of tissues
What are non-heme irons?
plant protein that are less-easily absorbed
what increases and decreases iron absorption?
- vita C inc absorption
- coffee, tea, Ca, phytates in grains dec aborption