Unformatted text preview: fat
! • Too little!
– Insulation problems!
– Internal organ protection!
– Fat soluble vitamin absorption!
– Hormone production! • Too much!
– Risk of some cancers!
– Cardiovascular disease (CVD) !
risk (depends on type)! 4 2/13/14 Digestion of Fats! Figure 5.10 Use and Storage of Fats!
Fats enter cells!
(lipoprotein lipase)! Heart Cells Muscle cells Adipose cells Stored Used for energy Used to make other compounds Transport dietary fat to blood and 7ssues Transport TG from liver to cells Deliver Pick up cholesterol from cholesterol dying cells and arterial to cells plaques, returns to liver (linked to VLDL) 5 2/13/14 Cardiovascular Disease Pathology!
Cross-section of (a) normal artery and (b) a
partially blocked artery. Figure 5.16 Cardiovascular Disease Review!
• Oxidized LDL gets caught in walls of
• Inﬂammatory response!
• Plaque formation!
• Narrowing of the blood vessel!
• Clot formation! Health Effects of Trans fat!
Increased risk of heart disease!
• Cell membranes!
• Inﬂammation! 6 2/13/14 Cardiovascular Disease Risk
• Physical inactivity!
High blood pressure!
Abnormal Blood Lipids !
Trans fat intake! Dietary Lipids Sterols Saturated Phospholipids Triglycerides No double bonds Bu\er, meat, cream cheese, Lard, sour cream Unsaturated plant foods, ﬁsh, oils Monounsaturated One double bond Olive oil, canola oil Peanuts, avocados, almonds Peanut bu\er, sesame seeds Hydrogenated/ Trans Poly Unsaturated More than one double bond Omega 3 Omeg...
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This document was uploaded on 03/11/2014 for the course NUTRITION 130 at UMass (Amherst).
- Spring '08
- Fatty Acids