Lecture 15 Flashcards
(32 cards)
True or false: consuming butter is linked to a higher risk for heart disease and might be slightly protective against type 2 diabetes
False
Is butter a health food
No, but it doesn’t seem to be largely harmful or beneficial
What foods are better and worse for you then butter
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.”
Is making decisions on food based on things like saturated fat the best way to make food decisions?
False, it isn’t useful.
Is butter a superfood?
Yes, however you must take it in moderation use to being calorically dense. No necessarily a health food.
Fatty Acids
NOT SLL FATS ARE MADE EQUAL
3 types:
Short chain fatty acids
Medium chain fatty acids
Long chain fatty acids
Medium chain fatty acids
Absorbed and transported directly to the liver where they are burned for energy.
Short Chain Fatty Acids/Triglycerides
Produced during fermentation soluble dietary fiber by beneficial large intestinal bacteria.
Butyrate supplements
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
Saturated Fats/Long Chain SATURATED Fatty Acids
Mainly from animal sources.
Unsaturated Fats/Long Chain Unsaturated Omega-6 fatty Acids
From Vegetable Oils (corn, soybean, safflower)
Why is Olive Oil Placed so High?
Example of an oil that contains monounsaturated fats.
Monounsaturated fats
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.
True or false half-tablespoon of olive oil a day is linked to a significant reduction in the risk for cardiovascular disease,
True. Important to consume olive oil instead of harmful fats.
Are monounsaturated fats better for me than saturated fats or trans fats?
Yes. Monounsaturated fats and polyunsaturated fats can have a positive effect on
your health, when eaten in moderation, not saturated or trans fats
Which foods contain monounsaturated fats?
Most foods contain a combination of different fats.
Polyunsaturated Fats
Have more than 1 unsaturated carbon bond or double bond in their fatty acid chain.
How do polyunsaturated fats affect my health?
They can help reduce bad cholesterol levels.
Which foods are high in polyunsaturated fats?
Soybean oil, corn oil, sunflower oil, tofu and other forms of soybeans, canola, walnut, and flaxseed.
1920s prolonged feeding of fat free diets to lab rats
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)
The Essential Fatty Acids
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
What do all dietary fats contain
Mixture of SFA,USFA, MUFA, PUFA, but proportions vary greatly.
What are fish oils and fish liver oils high in
Rich in O-3 PUFAs
What are Algal Extracts high in?
Rich in DHA, suitable for vegetarians.
