This topic covers the types, structure, functions, deficiency, and sources of fats as a macronutrient in the diet, including both animal and vegetable sour
Topic Synopsis
This topic covers the types, structure, functions, deficiency, and sources of fats as a macronutrient in the diet, including both animal and vegetable sources, and the distinction between visible and invisible fats.
Key Concepts & Core Principles
- Personal factors: taste, texture, appearance, smell, and past experiences with food.
- Social and cultural factors: family traditions, peer pressure, religious beliefs (e.g., halal, kosher), and media influence.
- Economic factors: income, food cost, availability, and budgeting skills.
- Environmental factors: seasonality, food miles, organic produce, and packaging waste.
- Psychological factors: comfort eating, food neophobia (fear of new foods), and emotional state.
Exam Tips & Revision Strategies
- Ensure you can distinguish between the chemical structure of saturated and unsaturated fats.
- Be prepared to explain the functional properties of fats in cooking, such as how they contribute to aeration in baking or emulsification in sauces.
- Link the consumption of different types of fats to diet-related health issues like cardiovascular disease.
Examiner Marking Points
- Types and structure of fats and oils (saturated, unsaturated, and polyunsaturated)
- Functions of fat in the body
- Effects of fat deficiency
- Sources of fat (animal and vegetable)
- Distinction between visible and invisible fats
- Functional properties of fats/oils in food preparation (shortening, aeration, plasticity, emulsification)