Lecture 15

Question 1

True or false: consuming butter is linked to a higher risk for heart disease and might be slightly protective against type 2 diabetes

Answer 1

False

Question 2

Is butter a health food

Answer 2

No, but it doesn’t seem to be largely harmful or beneficial

Question 3

What foods are better and worse for you then butter

Answer 3

Vegetable oils and fruits and nuts are healthier than butter, but on the other hand, low-fat turkey meat or a bagel or cornflakes or soda is worse for you than butter.”

Question 4

Is making decisions on food based on things like saturated fat the best way to make food decisions?

Answer 4

False, it isn’t useful.

Question 5

Is butter a superfood?

Answer 5

Yes, however you must take it in moderation use to being calorically dense. No necessarily a health food.

Question 6

Fatty Acids

Answer 6

NOT SLL FATS ARE MADE EQUAL
3 types:
Short chain fatty acids
Medium chain fatty acids
Long chain fatty acids

Question 7

Medium chain fatty acids

Answer 7

Absorbed and transported directly to the liver where they are burned for energy.

Question 8

Short Chain Fatty Acids/Triglycerides

Answer 8

Produced during fermentation soluble dietary fiber by beneficial large intestinal bacteria.

Question 9

Butyrate supplements

Answer 9

Butter certain cheeses and cows milk contain considerable amounts. They are also rich in saturated fats. like other fatty acids– absorbed in the small intestine, so they cannot promote the growth of
beneficial colonic bacteria or clean the large intestine

Question 10

Saturated Fats/Long Chain SATURATED Fatty Acids

Answer 10

Mainly from animal sources.

Question 11

Unsaturated Fats/Long Chain Unsaturated Omega-6 fatty Acids

Answer 11

From Vegetable Oils (corn, soybean, safflower)

Question 12

Why is Olive Oil Placed so High?

Answer 12

Example of an oil that contains monounsaturated fats.

Question 13

Monounsaturated fats

Answer 13

Fats that have one unsaturated carbon bond or 1 DOUBLE BOND IM THEIR FATTY ACID CHAIN. OILS RICH IM THIS CONTRIBUTE VITAMIN E TO THE DIET AMD ANTIOXIDANT VITAMIN MOST AMERICANS NEED MORE OF.

Question 14

True or false half-tablespoon of olive oil a day is linked to a significant reduction in the risk for cardiovascular disease,

Answer 14

True. Important to consume olive oil instead of harmful fats.

Question 15

Are monounsaturated fats better for me than saturated fats or trans fats?

Answer 15

Yes. Monounsaturated fats and polyunsaturated fats can have a positive effect on
your health, when eaten in moderation, not saturated or trans fats

Question 16

Which foods contain monounsaturated fats?

Answer 16

Most foods contain a combination of different fats.

Question 17

Polyunsaturated Fats

Answer 17

Have more than 1 unsaturated carbon bond or double bond in their fatty acid chain.

Question 18

How do polyunsaturated fats affect my health?

Answer 18

They can help reduce bad cholesterol levels.

Question 19

Which foods are high in polyunsaturated fats?

Answer 19

Soybean oil, corn oil, sunflower oil, tofu and other forms of soybeans, canola, walnut, and flaxseed.

Question 20

1920s prolonged feeding of fat free diets to lab rats

Answer 20

Rats did not grow properly, developed scaly dermatitis, infertility, depressed inflammatory response, water losses through skin.

Inclusion of fat allowed for successful long term feeding of patients via total parenteral nutrition (TPN)

Question 21

The Essential Fatty Acids

Answer 21

Omega 3 fatty acid: alpha linolenic acid (EPA & DHA)
Omega 6 fatty acid: linolenic acid

ALL HUMANS MUST CONSUME OMEGA 6 AND 3 IN DIET
TO HUGH OF INTAKE ISNT MUCH USE

Question 22

What do all dietary fats contain

Answer 22

Mixture of SFA,USFA, MUFA, PUFA, but proportions vary greatly.

Question 23

What are fish oils and fish liver oils high in

Answer 23

Rich in O-3 PUFAs

Question 24

What are Algal Extracts high in?

Answer 24

Rich in DHA, suitable for vegetarians.

Question 25

Is Omega 3 Fatty Acid a nutrient

Answer 25

No

Question 26

Fish liver oil and fish body oil

Answer 26

Fish liver oil: rich in vitamin a and d toxic in excess
Fish body oil: no safety concerns

AHA recommends all adults eat fish especially oily fish at least twice weekly.

Question 27

True or false Fish oil reduces cognitive decline in elderly or lowers risk of Alzheimer’s

Answer 27

False, no evidence yet. Claims that fish oils in children improved behavior, attention span, and examination performance.

Question 28

Osteoarthritis

Answer 28

2/3 of elderly people affected degenerative condition of aging increasing pain and disability. Little evidence of impact of chronic consumption of fish oil against joint pain and stiffness.

Question 29

Is flax an efficient form of fatty acid

Answer 29

Flax consumption alone cannot meet the body’s need for fatty acids alone.

Question 30

What are the phytate levels in flax?

Answer 30

Very high in phytate acid. Flax should be eaten in moderation to prevent minimal depletion, the result is a high phytate diet.

Question 31

Does flax actually reduce inflammation?

Answer 31

The soluble fiber in flax can help reduce inflammation to some extent.

Question 32

What is the best CLA (conjugate linolenic acid) supplement

Answer 32

Omega 6 group of polyunsaturated fatty acids