Overview of Micronutrients Flashcards
(43 cards)
Which food is said to be the new superfood?
Raw liver
What is a carbon-containing substances needed in large amounts by the body for energy ?
Macronutrients
What is needed in small amounts by the body?
Micronutrients
What are the 2 different types of micronutrients?
Vitamins and Minerals
What are carbon-containing larger molecules?
Vitamins
Are vitamins essential?
Yes
Why are vitamins essential?
They can’t be synthesized by body
Which vitamin isn’t considered to be essential?
Vitamin D
Are people likely to experience toxicity from food sources of vitamins?
No
Why aren’t people likely to experience toxicity from food sources of vitamins?
It’s hard to reach the upper limit
When do people suffer toxicity symptoms from food sources of vitamins?
When their intakes exceed the upper limit
What are minerals?
Salt
Are minerals essential?
Yes
What are the 3 categories of minerals?
- Major
- Trace
- Ultratrace
What are 3 examples of major minerals that are major cellular ions?
Sodium, potassium, and chloride
What type of minerals are the most abundant minerals in the body?
Major minerals
What are the 7 major factors that affect the bioavailability of minerals?
- Age
- Gender
- Genetic Variables
- Nutritional Status
- Other Dietary Components
- Prescription Drugs
- Fiber Content of Diet
Are minerals better absorbed from animal or plant foods?
Animal Foods
Why are minerals better absorbed from animal foods?
It’s easier to get it from your intestine
Give an example of plant foods that contain chemicals that affect mineral absorption.
Iron
How does phytic acid and oxalic acid affect mineral absorption?
They decrease the absorption of Calcium, Magnesium and Iron
How does the body’s need for a mineral affect the absorption of that mineral?
Your body adapts the amount you absorb based on how much you need
How does fiber affect mineral absorption?
It binds to them and get in the way of absorption
What are the two categories of vitamins?
Fat soluble and water soluble