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25 Cards in this Set

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Micronutrients

  • Vitamins
  • Minerals
  • Do not supply energy

Required in small ammounts



Are minerals organic?

No. Inorganic.

Are vitamins organic?

Yes.

Do micro nutrients or macro-nutrients have a larger role in metabolism?

Micro-nutrients do.

How much % are micro-nutrients absorbed?

3 - 10%



Key components of the vitamins

  • Organic
  • 13 are essential
  • Nine are soluble in fat
  • Four are soluble in fat. (All the B's & Cs)

Characteristics of fat-soluble vitamins

  • Large storage capability
  • Toxicity is possible
  • Deficiency symptoms may take many months to develop
  • May occur in numerous chemical forms

Characteristics of water-soluble Vitamins


  • Minimal storage capability
  • Toxicity is rare
  • Deficiency symptoms occur quickly
  • Excreted in urine when tissues are saturated

How do doctors give vitamins as a treatment?

Mega-Doses, 10x what is listed as the recommended amount.

Is a vitamin in a bottle the same as the bottle you get in food?

Yes. With the exception of vitamin K.

Key components of minerals?

  • Inorganic

  • Cannot by synthesized by plants or animals

  • Not digested or broken down prior to absorption

Major Minerals?


  • 100mg > a day.
  • Body contains 5g or higher
  • 7 major minerals

Trace Minerals?


  • 100mg< a day
  • Body contains less than 5g
  • 8 trace minerals

Are major minerals more important than minor minerals?

No. Major & Minor refer to how much your body needs. Not function.

What is the most abundant mineral in your system?

Calcium

What is the #1 deficiency world wide?

Iron

Absorption of micro-nutrients depends on what?


  • Chemical Form
  • Numerous factors in foods bind micro-nutrients and prevent absorption
  • Other nutrients within a meal alter absorption

Supplementation of micro-nutrients is controversial, why?

  • Easier to get toxicity
  • Harmful to certain subgroups
  • Most minerals are better absorbed from animal sources
  • Eating a variety of foods provides many other nutrients
  • Supplements may alter the balance between nutrients.

What is vitamin D associated with?

Preventing Colon Cancer



What is Vitamin E associated with

Preventing Complications of Diabetes

Vitamin K is associated with what?

Preventing Osteoporosis

Calcium is associated with what?

Preventing Hypertnesion

Chromium is associated with what?

Preventing Type 2 diabetes in older adults

Magnesium is associated with what?

Preventing muscle wasting in older adults

Do more essential nutrients exist?

Researchers explore the possibility of other substances being essential. Such as, cartitine, and numerous minerals, (boron, nickel, silicon), may be essential for our diet.