4. Fat Basis (What is Fat ?)
Sources of Fats (Where is fat found?)
Sources of Fats in picture.
Types of Fats-(Saturated,Unsaturated & Trans).
Importance of Fats.
Analytical Methods To Measure The Constants
Of Fats.
Structure of Faty Acids.
5. What is
fat?
Fat is an essential part of our died & nutration & is a
rich source of energy.
Its contains 3 main macronutrients
Its also known as triglycerides.
General formula is
6. Major sources of Fats
Four food groups
Vegetables and Fruit
Grain Products
Milk and Alternatives
Meat and Alternatives
7. Where is fat found?
1. Easy to see
•Fat added to foods
• Butter, margarine, oil
•Fat on the outside of foods
• Chicken skin, outside trim on meat
2. Hidden
•Ingredient
• Snack foods, baked products, desserts
•Added in cooking
• Fried foods, cream soups, sauces
10. Types of Fat
All fat-containing foods have a mixture of different fats
Types of fats include:
Polyunsaturated fats (PUFA)
Monounsaturated fats (MUFA)
Saturated fats (SFA)
Trans fats (TFA)
11. Saturated Fats
• Diets high in saturated fats can
increase the risk of heart disease
• Examples: butter, cakes and pastries,
chocolate bars, coconut, coffee
whitener are all high in saturated fat
12. Unsaturated Fatty Acid
Those molecules that contain one or more double bonds
are said to be unsaturated.
Physical
State
14. IMPORTANCE OF
FATSFat is important because:
Fat is a nutrient
It is a source of energy
Essential fatty acids
Proper functioning of nerves & brain
It adds taste and texture to food
It helps us feel full longer
It helps us absorb fat-soluble vitamins A, D, E & K.
15. Analytical Methods To Measure The Constants Of
Fats
1. Acid Value
2. Saponification Value
3. Iodine Value
4. Cholesterol Determination
