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DHN 212 - Exam with correct solutions 2024
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Why are fats important in cooking? correct answers Flavor Texture Appearance Mouthfeel Emulsifier Emulsifier correct answers Helps prevent separation Egg yolk Why are fats important in the body? correct answers Energy source Insulation Cushion Part of cell membrane Can be...

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  • August 23, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • DHN 212 - Exa
  • DHN 212 - Exa

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DHN 212 - Exam 2

Why are fats important in cooking? correct answers Flavor
Texture
Appearance
Mouthfeel
Emulsifier

Emulsifier correct answers Helps prevent separation
Egg yolk

Why are fats important in the body? correct answers Energy source
Insulation
Cushion
Part of cell membrane
Can be made into other substances - such as bile

Lipids correct answers Organic
Hydrophobic

Types of lipids correct answers Triglycerides
Phospholipids
Sterols

Triglycerides correct answers 95% of fat that you eat
Fats and oils

Fat correct answers Solid

Oil correct answers Liquid

Sterols correct answers Cholesterol

Structure of triglyceride correct answers Glycerol
3 fatty acids

Fatty acids correct answers Hydrocarbon chain
Most commonly 4 to 24 carbon's in length
Most common: 18

Saturation correct answers The number of H atoms that a fatty acid is holding

Saturated fatty acid correct answers Saturated w/H

, No double bonds
Often solid at room temp
Increase risk of heart disease so need to limit

Unsaturated fatty acid correct answers Monounsaturated
Polyunsaturated

MUFA correct answers Monounsaturated fatty acid

PUFA correct answers Polyunsaturated fatty acid

Fatty acid composition of canola oil correct answers Monounsaturated: 64.1%
Saturated: 7.5%
Polyunsaturated: 26.4%

Fatty acid composition of olive oil correct answers Monounsaturated: 75%
Saturated: 14.2%
Polyunsaturated: 10.8%

Fatty acid composition of coconut oil correct answers Monounsaturated: 6%
Saturated: 92%
Polyunsaturated: 2%

Fatty acid composition of butter fat correct answers Monounsaturated: 27.8%
Saturated: 68.2%
Polyunsaturated: 4%

Monounsaturated fatty acid correct answers Best for us
1 double bond
Often liquid at room temperature
May reduce risk for heart disease

Polyunsaturated fatty acid correct answers 2 or more double bonds
Often liquid at room temperature
Omega 3 - good for us

Examples of omega 3's correct answers Fish
Nuts
DHA and EPA

Health benefits of consuming omega-3 fatty acids correct answers Reduce risk for:
Heart disease
Depression
Dental disease
Arthritis

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