Lipids
Anaya Smith
Functions of Lipids
- Triglycerides: stores energy
- Steroids: help determine and control structure of cell membrane
- Phospholipids: constitutes cell membranes
- Glycolipids: boosts the body's immune system
- Lipoproteins: Helps fat move around the body in the bloodstream
Major Sources of Lipids
- Oils- Palm oil, cocoa butter, coconut oil
- Saturated Fats- milk, cheese, meat, butter, lard, cream, pizza, grain-based deserts, chicken, sausages, bacon, burgers
- Trans Fats- potato chips, crackers, cookies, salad dressings, margarines, french fries, pie and piecrust, shortening
- Polyunsaturated Fats- salmon, herring, trout, avocados, nuts, sunflower oil, coffee, mayonnaise, seeds
Not enough Lipids
- Dry, scaly, flaky, dull, or bumpy skin
- Dry, brittle, lackluster hairs
- Soft, frying, splitting, or brittle fingernails
- Night Blindness
- Confusion and disorientation
- Depression
- Fatty food cravings
- Poor vitamin absorption
- Increased risk of high blood pressure and cholesterol
Splitting fingernails
Night blindness
Inability to see at night or in poor light.
Scaly Skin
Too much lipids
- Excessive calorie intake
- Risk of obesity
- Can cause cardiovascular complications: ex- arterial hardening, heart disease, stroke
- Increases risk of diseases: ex- type 2 diabetes
- Brain scarring
- Risk of developing atherosclerosis
- Tiredness
Obesity from Eating Too Much Lipids
Brain Scarring
Normal artery vs. Arterial Hardening
Interesting Facts about Lipids
- Lipids are drugs: Steroids are now a common type of lipids.
- Lipids are commonly used in cosmetics.
- 1 gram of fat contains 9 calories.
- Teenage girls should have approximately 55 to 75 grams of fat per day.
- Teenage boys should consume 70 to 100 grams of fat daily.
Acrostic poem
Lipids are fats that are an important energy source for the body.
Increases fat cells if too much is consumed daily.
Products that contain high level of lipids are chewing gum and nail polish
Insoluble in water
Diseases such as hardening of the arteries occur from excessive monosaturated and trans fats
Steroid lipids are also called cholesterol