Test 3
Nutritional Sciences 2000 with Huggins at Auburn University
About this deck
By: Shannon Smith
Textbook:
Contemporary Nutrition
NutritionCalc Plus 3.0 CD-ROM
Created: 2010-03-30
Size: 55 flashcards
Views: 48
Textbook:
Contemporary Nutrition NutritionCalc Plus 3.0 CD-ROMCreated: 2010-03-30
Size: 55 flashcards
Views: 48
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How many calories of lipids does one need to consume?
35%
3 types of lipids
1. Triglyceride 2. Phospholipid 3. Sterols (cholestrol)
simplest form of a lipid?
Fatty Acids
what determines the characteristics of fat? ex. whether it is a solid or a liquid.
Fatty acids
solid form of fat?
saturated fat
saturated fatty acids is a chain of carbons....
bounded together and surrounded by hydrogen. No double bonds.
Saturated fat is found mostly in?
animal fat
Liquid form of fat? (oils)
unsaturated fat
unsaturated fat contains at least one?
double bond
1 double bond. examples are canola and olive oils.
mono saturated
contains to or more double bonds.
polyunsaturated
Process used to solidify an oil (semi solid state? It also increases trans fatty acids.
Hydrogenation
Negative health effect on trans fats
Increased blood cholestrol, increased heart disease, increased inflamation and obesity and diabetes.
limit trans fats to about___?
<2g/day
Fat in foods provide?
Satiety, falvor and texture
Fat replacement strategies?
engineered fat. example would be olestra.
Enzymes that break down triglycerides molecules?
Lipases
Primary digestion site of fats and oils?
Small Intestine
When fat enters the small intestine the gallbladder does what?
Releases bile and pancreatic lipase.
Bile
made up of phospholipids cholestrol and salt, and it is an emulsifier (detergent)
fat is broken down into what 2 things?
Monoglycerides and Fatty Acids
Dietary fat is absorbed into ?
Intestinal cells
Fatty Acids and Monoglycerides reform triglycerides and enter into the ?
Lymphatic System
Fat is packaged into __ type of lipo protien particle
chylomicrons
Transports lipids throughout body, and it produces in different sizes
lipo protiens
Largest lipoprotien particle?
chylomicrons
Made by the small intestine, transports dietary fat to tissues (mainly muscles and adipose fat) and is broken down by lipoprotien.
Chylomicrons
Need to consume __ % of our kcal as essential fatty acid. ___ tabkespoons of plant oils?
5%
2-4 tablespoons
2 families of essential fatty acids are?
Omega 6 ( Linoleic acid) and Omega 3 ( Alpha-linoleic Acid)
You can get Omega 6 in?
Plant oils.
Arachidonic Acid ( Omega 6) does what ?
Increases blood clotting and immune response.
Omega 3 food sources?
Canola oil, Soybean Oil, Walnuts, Flax Seeds, Shrimp and Crab.
Alpha-Linolenic Acid/ Omega 3 is seperated into?
DHA and EPA
Dpa and Epa do what?
Decrease Blood Clotting, Decrease Inflamation, Lower Blood Lipds, help with Brain Devolpment and Eyesight.
____ is made by the liver, transports mostly cholestrol to cells and is most abundant lipopraotien particle. Also Known as bad choletrol.
LDL ( Low Density Lipoprotien)
__ made by the liver and intestine, transporsts cholestrol from bodys cells to the liver for excretion. Also known as good cholestrol.
HDL ( High Density Lipoprotien)
Begins with accumulation of lipid in the arteries. Starts in childhood.
Atherosclerosis
When blood flow surrounding the heart is interupted. Irregular or cessation of heartbeat.
Myocardial Infraction (heart attack)
Risk Factors for Heart Attacks?
Smoking, Hypertension (high blood pressure) Diabetes, Genetics, Age, Obesity, Inactivity.
Total blood cholestrol for when ur at risk for a heart attack is
>200mg/dl
Treatments for heart disease?
Dietary Intervention, Drugs and Surgery.
How to lowerblood cholestrol?
Reduce dietary saturated fat and cholestrol, increase mono and poly saturated fats, increase dietary fiber, meditteranean diet or dean orish diet.
Statins do what?
reduce cholestrol production.
Type of surgery a balloon is inserted into artery where there is a blood clot to open up the artery.
Angioplasty
Energy Balance =
energy in - energy out
obesity is caused by?
A long term positive energy balance
Minimum energy expended to keep body alive. 60-70% of total energy needs
Basil Metabolic Rate
25-30% of energy expended.
physical activity
Energy used to digest, absorb and metabolize food nutrients. 5-10% percent above total energy consumed
Thermatic Food Effect
nonvoluntary physical activity triggered by overeating. - fidgeting.
Adaptive Thermogenesis
women with __% body fat are considered obese while men is __% body fat
35% and 25%
underwieght bmi
<18.5
normal bmi
18.5-24.9
overwieght bmi
25-29.9
obese bmi
>40
About this deck
By: Shannon Smith
Textbook: Contemporary Nutrition
NutritionCalc Plus 3.0 CD-ROM
Created: 2010-03-30
Size: 55 flashcards
Views: 48
Textbook:
Contemporary Nutrition NutritionCalc Plus 3.0 CD-ROMCreated: 2010-03-30
Size: 55 flashcards
Views: 48
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
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