Fatty Acids
What makes up fatty acids?
hydrocarbon tails with a carboxylic acid
NO
What does it mean to be essential?
body cannot form them, must be provided by diet
Heart disease can start as early as what age?
2 years old
HDL v LDL?
HDL is healthy, LDL is not
How many double bonds are in a saturated fatty acid?
none
What is the process that creates trans fats called?
hydrogenation
How many fish servings a week is recommended for healthy omega 3 intake?
wild caught fish one-two times a week
"Light" fat on food labels means what?
50% or less than original fat
What is disease is high cholesterol, stress and obesity a risk factor for?
heart disease
What is an example of a polyunsaturated fatty acid?
Omega 3(fish oil) or Omega 6 fats (sunflower oil)!
What is the purpose of making trans fats by manufacturers?
to increase fat solidity and shelf life?
Which (O6 or O3) is found in processed foods?
Omega 6
Fat Free on food label is less than ___ grams of fat?
0.5g
What is cholesterol a precursor for?
steroid hormones, vitamin D, and bile
Which fatty acid is solid at room temperature?
saturated fatty acids
What is the difference between cis and trans?
cis is on the same size, trans is opposite (substituents in double bonds)
what are THREE functions of essential fatty acids?
part of cell membrane
regulate inflammation
blood coagulation
Should adults consume whole milk or fat-free?
Fat-free! (kids under 2 have whole)
Steroids are made up of how many fused rings?
4
Which fatty acid is unstable in the human body?
polyunsaturated fatty acids
How do we avoid trans fats?
READING LABELS
where do polyunsaturated acids get their name from?
The location of their double bond
Children under 2 should have what percentage of total calories from fat?
30-35%
What do phytoserols compete with and for what?
cholesterol for gut absorption