CHAPTER 5 Lipids

Nutrition HO-15

LIPI

DS Fat Triglycerides

Sterols Cholesterol

Phospholipids Emulsifiers

• digest & absorb

Intestines

• emulsifier

Bile

• directly to bloodstream

Small Lipids

• chylomicrons• lymph nodes

Large Lipids

Lipoproteins

LDL – “bad”

HDL – “good”

Lipoproteins

• High LDL = Increased heart disease

LDL – “bad”

• High HDL = Decreased heart disease

HDL – “good”

LDL Small dense More atherogenic

Large bouyant Less atherogenic

LDL Small dense More atherogenic Carbohydrates

Large bouyant Less atherogenic Saturated fat

What percent of a “muffin” is fat?

A muffin with 200 calories and 10 g of fat

What percent of a “muffin” is fat?

A muffin with 200 calories and 10 g of fat

10 grams of fat X 9 calories/gram = 10 X 9 = 90 calories from fat

What percent of a “muffin” is fat?

A muffin with 200 calories and 10 g of fat

10 grams of fat X 9 calories/gram = 10 X 9 = 90 calories from fat

90 calories from fat / 200 total calories = 90/200 = .45 = 45%

What percent of a “muffin” is fat?

A muffin with 200 calories and 10 g of fat

10 grams of fat X 9 calories/gram = 10 X 9 = 90 calories from fat

90 calories from fat / 200 total calories = 90/200 = .45 = 45%

45% of this muffin is fat

Cottonseed oil

Corn oil

Sunflower oil

Safflower oil

Soybean oil