Ch. 4 Lipids Flashcards
Saturated fat is found mainly in _____ sources, cholesterol is ONLY found in _____ sources
animal
animal
Unsatruated fats are mainly found in….and can lower chances of what?
vegetable oils and fatty fish
cardiovascular risk
Lipids include ____ and _____
fats and oils
Type 2 diabetes, hypertension and heart disease increases with what?
excess body weight; obesity
Promotes atherosclerosis, a precursor to heart attack and stroke
excess saturated fat and cholesterol
Commercial oil processing produces ____ ____, associated with health risks.
trans fats
Food lipids provide ____ for energy, ___kcal/g and promote satiety or _______
fuel
9 kcal/g
fullness
____ lipids are a storage source of _____, thermal insulation, protection of _____ organs and carrier of fat-soluble materials.
Body
energy
vital
What are the basic structural units for fats
fatty acids
The _____ the saturation, the _____ the fat at room temperature.
greater
harder
Animal origins; meat, butter, and milk, tropical oils coconut oil and palm kernel oil are examples of
Saturated fat
Saturated fat is filled with as much ______ as possible
hydrogen
Contains arachidonic acid and docosahexaenoic acid
breast milk
______ fats have negative effects and ________ fats have positive effects.
saturated
unsaturated
butter, margarine, vegetable oil, salad dressing, bacon are examples of ____ fats
visible
Milk, egg yolk, cheese, nuts, seeds, olives, bakery items, frozen entrees are expamples of ____ fats
hidden
Example of a food that has both hidden and visible fat
meat
Polyunsaturated and monounsaturated fatty acids have _____ effects on body function.
positive
A fatty acid is saturated is all available chemical bonds on its carbon chain are filled with _______.
hydrogen
_____ are stored in the body as adipose tissue
Lipids
Lipids are an efficient fuel for all tissues EXCEPT the ____ and central nervous system. Instead, fatty acids are the preferred fuel of the ____.
brain
heart
Lipids are insoluble in water, to solve this problem the body produces _______
lipoproteins
Lipoproteins formed in the intestinal wall after a meal that carry food fats into the lymph and then the general circulation for transport to the liver.
chylomicrons
For digestion, ______ in animal and plant foods must be broken down into individual fatty acids for absorption and body use.
triglycerides