Shared Flashcard Set

Details

Trace Minerals
Nutrition Final
15
Other
Undergraduate 2
12/07/2008

Additional Other Flashcards

 


 

Cards

Term

Characteristics of Trace Minerals

 

 

 

Depends on ___________, water and ____________________

Definition

 

 

 

 

 

soil and processing

Term

Characteristics of Trace Minerals

 

 

Found in very small amounts:

 

less than ________ mg

Definition

 

 

 

 

 

5

Term

Function

 

1. carry oxygen and carbon dioxide

 

2. enzyme systems for energy release 

from macronutrients

 

 

Definition

 

 

 

 

 

Iron

Term

Absorption

 

 

stays in _____________ cell if body

 

does not need

Definition

 Iron

 

 

 

small intestine

Term

Absorption

 

 

only ________________ of dietary iron

 

is absorbed

Definition

Iron

 

 

 

10 to 25 %

Term

Absorption

 

 

 

2 types of Iron

Definition

 

 

 

 

 

Heme and Non-heme

Term

Absorption

 

 

 

_____ iron is absorbed better

Definition

 

 

 

 

 

heme

Term

Absorption

 

 Heme Iron:

 

________ origin

 

_______ % absorbed

Definition

Heme Iron

 

 

animal origin

 

25 %

Term

Absorption

 

 

 

______ iron absorbed poorly

Definition

Iron

 

 

 

Non-heme

Term

Non-Heme

 

 

__________ origin

 

_________ % absorbed

Definition

Non-Heme Iron

 

 

plant origin

 

10 %

Term

Factors Enhancing Fe Absorption

 

 

 

 

Non-Heme Iron:

          

Definition

 

 

 

 

MFP (Meat, Fish, Poultry) factors in meat

 

Vitamin C

 

Acid from stomach

Term

 

 

 

 

 

Factors Inhibiting Iron Absorption

Definition

 

 

Phytates

 

Fibers

 

Tannic acid: coffee and tea

 

Food additives

Term

Transport and Storage of Iron

in Body

 

 

 

 Transferrin

Definition

 

 

 

a transport protein

 

found in blood

 

more is produced if body is iron deficient

Term

Transport and Storage of Iron

in Body

 

 

 

Ferritin

Definition

 

 

 

 

iron storage protein

 

found in the liver

Term

Transport and Storage of Iron

in Body

 

 

 

Free Fe in the body can....

 

 

Definition

 

 

 

 

 

cause damage to cells, lipids,

and DNA

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