Level 3 Food Science and Nutrition WJEC

This subject is broken down into 22 topics in 6 modules:

  1. Importance of Food Safety 4 topics
  2. Properties of Nutrients 3 topics
  3. Relationship between Nutrients and The Human Body 4 topics
  4. Planning Nutritional Requirements 2 topics
  5. Planning Production of Complex Dishes 2 topics
  6. Cooking Complex Dishes 7 topics
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  • 6
    modules
  • 22
    topics
  • 8,190
    words of revision content
  • 1+
    hours of audio lessons

This page was last modified on 28 September 2024.

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Food Science and Nutrition

Importance of Food Safety

How Individuals Can Take Responsibility for Food Safety

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How Individuals Can Take Responsibility for Food Safety

Personal Hygiene

  • Hand washing: It's essential to wash hands before handling food, after touching raw food, and after using the bathroom. This prevents the spread of bacteria.

  • Safe handling of food: Always handle food with clean hands and use clean utensils. Avoid touching your face or hair while preparing food.

  • Avoid food prep when ill: If you're suffering from a contagious illness, especially one involving vomiting or diarrhoea, avoid preparing food to prevent the spread of disease.

  • Proper storage: Store personal items like bags and coats away from food preparation areas to avoid accidental contamination.

Cooking Safely

  • Proper heating and cooking: Cook food thoroughly, especially meat, to kill harmful bacteria. Using a food thermometer can ensure proper temperatures are reached.

  • Avoid cross-contamination: Use separate chopping boards and utensils for raw and ready-to-eat foods. Clean utensils properly between uses.

  • Safe reheating: Always reheat leftovers until steaming hot to ensure bacteria are killed.

Buying and Storing Food

  • Deciphering 'use by' and 'best before' dates: 'Use by' is about safety and means food mustn't be eaten after this date. 'Best before' is about quality, with the food safe to eat but potentially less tasty after this date.

  • Correct storage: Store food at the correct temperature to prevent the growth of harmful bacteria. Refrigeration should be between 0°C - 5°C.

  • Proper location: Store raw foods below cooked or ready-to-eat foods in the fridge to prevent cross-contamination.

Cleaning Up

  • Cleanliness in food areas: Keep food preparation areas clean and disinfected to kill bacteria. Also, regular cleaning of items such as tea towels, sponges, and scrub brushes is crucial.

  • Waste management: Dispose of rubbish and food waste correctly. Leftovers can attract pests, creating a further risk of disease.

Allergen Awareness

  • Strictly avoid cross-contamination through utensils, gloves, or chopping boards if preparing food for someone with a food allergy.

  • Understand and respect the fact that even trace amounts of an allergen can trigger severe reactions. Therefore, always pay attention to food labels and declarations.

Course material for Food Science and Nutrition, module Importance of Food Safety, topic How Individuals Can Take Responsibility for Food Safety

Food Science and Nutrition

Planning Nutritional Requirements

Fitness for Purpose of Diets

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Fitness for Purpose of Diets

Fitness for Purpose of Diets

Understanding the Concept

  • Fitness for purpose of diets refers to the appropriateness of a restricted or certain diet to meet an individual's health and wellness needs.
  • All diets should be planned to support good health and nutrition.
  • Various factors should be taken into consideration when planning diets, which may vary according to individual's age, lifestyle, health condition, and cultural beliefs.

Types of Diets

  • Balanced diet: Ensures provision of all nutrients in the right proportions.
  • Therapeutic diets: Prescribed by doctors for certain health conditions like diabetes, celiac disease, lactose intolerance, etc.
  • Vegetarian/Vegan diets: Exclude animal products for ethical, environmental, or health reasons.
  • Weight-loss diets: Aim to reduce caloric intake to help individuals lose weight.
  • Sports diets: Particularly targeted for athletes to enhance performance.

Evaluation of Diet Suitability

  • Analysis of nutrient content is crucial to determine if the diet meets daily nutrient needs including carbohydrates, proteins, fats, vitamins, and minerals.
  • The diet should reflect the individual's energy needs based on age, sex, physical activity level, and overall health condition.
  • The diet should be flexible enough to accommodate individual's lifestyle and taste preferences.
  • The diet's suitability towards managing any health condition should be determined.
  • Any potential risks associated with the diet plan such as nutrient deficiencies should be considered.

Practical Applications

  • When planning menus, individuals' dietary needs, preferences, and restrictions should be taken into account.
  • A suitable diet supports health and wellbeing, reduces the risk of chronic diseases, aids in managing health conditions, and promotes optimal growth and development.
  • Professionals in nutrition and dietetics are responsible for ensuring that diets are fit for purpose by tailoring them to each individuals' specific needs.

Examining Changes in Diet

  • Over time, an individual's dietary needs may change due to changes in activity level, health conditions, or age. Their diet must be adjusted accordingly.
  • Regular monitoring and assessment of dietary intake is essential to identify if any adjustments are required.
  • Regular consultation with a dietitian or nutritionist can be beneficial in managing these changes effectively.

Course material for Food Science and Nutrition, module Planning Nutritional Requirements, topic Fitness for Purpose of Diets

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