Lipids

Anaya Smith

Functions of Lipids

  1. Triglycerides: stores energy
  2. Steroids: help determine and control structure of cell membrane
  3. Phospholipids: constitutes cell membranes
  4. Glycolipids: boosts the body's immune system
  5. 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

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

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