-
What is the largest class of lipids in our bodies
triglycerides(95%)
-
What are the classifications of lipids
- fats or triglycerides
- phospholipids(lecithin)
- steroles(cholesterol)
-
What are the functions of fats in our bodies
- Energy
- Palability(make food yummy)
- Satisfaction & saitation(feel full longer)
- Nutrients source
- Stored energy
- Organ protection
- Temperature regulation
- Insulation
-
What nutirients do fat transport
- fat- soluable vitamins A,D,E, & K
- fatty acids linoleic & linolenic
-
What are the functions of phospholipids
- part of cell membrane
- emusifier; keeps fat in body fluids
- part of lipoproteins
-
What do lipoproteins do
carry fat & cholesterol away from arteries
-
What is the function of sterols
- provide material for:
- bile
- vitamin D
- sex hormones
- brain cells
- nerve tissue
-
What is the structure of a triglyceride
3 fatty acids 1 glycerol molecule
-
All natural fats are mixtures of what
different fatty acids
-
What is the largest lipid found in food and body fat
triglycerides
-
What does the term saturation refer to
ratio of hydrogen atoms to carbon
-
What is the structure of a completely saturated fat
hydrogen atom at each avaiable space
-
What has double bonds btwn carbon and fewer hydrogens
unsaturated fatty acids
-
Which fats are solid at room temp and are animal derived fats
saturated FA
-
Which FA are liquid at room temp and derived from plants
unsaturated FA
-
Which type of FA had more health benefits
unsaturated, the more saturated, the fewer benefits
-
Dietary intake should focous on what type of FA consumption
unsaturated FA
-
What are the sources of saturated fatty acids
- animal derived
- dairy
- eggs
- tropical oils
- cocoa butter
-
Excessive consumption of saturated FA promotes
atherosclerosis
-
What fatty aicds contain one carbon with one undaturated double bond
monosaturated
-
Primary sources of _______ FA are olive oil, peanuts & peanut oil, avacado, & canola oil
monosaturated FA
-
What FA contains 2 or more double bonds on the carbon chain and is plant derived and a good type of fat
polyunsaturated FA
-
Priamry sources of _______ FA are vegteable oils, fish, amd margarine
polyunsaturated FA
-
What are 2 essential polyunsaturated FA
- linoleic(omega 6)
- linolenic(omega 3)
-
Which essential polyunsaturated acid is provided by the consumption of fish and decrease the risk of heart disease
linolenic(omega 3)
-
How does omega 3 decrease the risk of heart disease
prevents coagulation of arterial plaques
-
What are the essential functions of FA
- skin integrity
- blood cholesterol regulation
- growth
- regualte enzyme production
- immune function
- prevents harmful thrombocyte aggregation
- precursors to prostoglandins
-
Deficiency in FA can cause what to occur to skin
eczema and skin lesions
|
|
