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How many calories per gram of fat

9

What do fats carry

essential fatty acids, fat-soluble vitamins, and healthful phytochemicals

What is more important - type of fat or how much fat

Type of fat

Recommended percentage of fat for daily intake

20-35 percent of total calories

Are diets high in fat nutrient dense

no

Are fats soluble or insoluble in water

insoluble

What chemical group is fat part of and what does that group include

lipids, and includes fats (aka triglycerides - 98 percent of lipin in our food and body), phospholipids, and sterols

What are triglycerides (fats) made up of?

3 fatty acids and 1 glycerol

What are the essential fatty acids

linoleic and linolenic

What do fats do to food?

increase flavor and palatability

What do fats do to cell membranes

Give them flexibility and integrity, and regulate the transfer of nutrients

Functions of fat in body

storage form of energy (adipose tissue), cushions kidneys and heart, protects orans and insulates them (temperature regulation)

How many calories per pound of fat

3500

Where is excess fat stored

adipose tissue

What happens to excess calories from carbohydrate and protein

some is converted to glycogen and then the rest incorporated into triglyceridea nd stored as fat in adipose tissue

What form is saturated at room temp

solid

What form are unsaturated fat at room temp

liquid

What are the source of unsaturated fats

plant foods

What is "monounsaturated"

if ONE bond is unsaturated

what is "polyunsaturated"

if two or more bonds are unsaturated

Linolenic acids

essential fatty acids - omega 3, EPA and DHA

What does regular consumption of omega 3 fatty acids protect again

heart attack, irregular heart beat ,sudden heath, plaque formation in arteries, high blood pressure, stroke

What type of fatty acid raise blood cholesterol levels

trans fatty acids

Where do trans fats come from

hydrogenated vegetable oils

Why are trans fats preferred for some use

more stable and have longer shelf life

What was the date that marked when trans fat needed to be included on nutrition panel

January 1, 2006

Where is cholesterol found?

only in animal products

Where does cholesterol come from

2/3 produced by liver, 1/3 from diet

Is cholesterol an essential nutrient

no

What is cholesterol a building block for?

estrogen vitamin D, and testosterone

Is cholesterol an energy source?

NO - not used for energy

Where in your body is cholesterol found?

every cell of your body

Olestra/Olean

fat replacer, heat stable, caloric reduction helper, not digested or absorbed by body, different configuration from triglycerides

Risk factors for Cononary Artery Disease

smoking, sedentary lifestyle, stress, diabetes, elevated cholesterol, hypertension, obesity, age, family history, gender (male)

Two important lipoproteins

HDL and LDL

What is HDL

"good" cholesterol

What is LDL

"bad" cholesterol

What is the primary carrier for cholesterol in the blood

LDL

What happens with elevated levels of LDL

injured arteries, and increased plaque formation/progression of coronary heart disease

What does HDL do

playa role in transporting cholesterol away from arterial walls, REDUCED risk for heart disease

WHat is the current recommended cholesterol intake and what should it be

250 mg, should be less than 200 mg

What is recomended amount of saturated fat intake

less than 7 percent

Hydrogenation

changes structure of fat to naturally occuring "cis" to a "trans"

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