Registered Dietitian (RD)
1 Introduction to Nutrition
1-1 Definition and Scope of Nutrition
1-2 Historical Development of Nutrition Science
1-3 Importance of Nutrition in Health and Disease
2 Nutritional Biochemistry
2-1 Macronutrients: Carbohydrates, Proteins, and Fats
2-2 Micronutrients: Vitamins and Minerals
2-3 Water and Electrolytes
2-4 Metabolism and Energy Balance
3 Human Nutrition
3-1 Nutritional Requirements across the Lifespan
3-2 Nutrition during Pregnancy and Lactation
3-3 Nutrition for Infants, Children, and Adolescents
3-4 Nutrition for Adults and the Elderly
4 Clinical Nutrition
4-1 Nutritional Assessment Techniques
4-2 Nutritional Support in Acute and Chronic Illnesses
4-3 Enteral and Parenteral Nutrition
4-4 Nutrition in Specific Diseases (e g , Diabetes, Cardiovascular Disease, Renal Disease)
5 Community Nutrition
5-1 Public Health Nutrition
5-2 Nutrition Education and Counseling
5-3 Food Security and Nutrition
5-4 Nutrition Policy and Programs
6 Food Science and Technology
6-1 Food Composition and Nutrient Content
6-2 Food Processing and Preservation
6-3 Food Safety and Hygiene
6-4 Dietary Guidelines and Food Labeling
7 Research and Evidence-Based Practice
7-1 Research Methods in Nutrition
7-2 Evidence-Based Nutrition Practice
7-3 Nutritional Epidemiology
7-4 Systematic Reviews and Meta-Analyses
8 Professional Practice and Ethics
8-1 Roles and Responsibilities of a Registered Dietitian
8-2 Legal and Ethical Issues in Nutrition Practice
8-3 Communication Skills for Dietitians
8-4 Professional Development and Continuing Education
9 Special Topics in Nutrition
9-1 Sports Nutrition
9-2 Nutrition and Mental Health
9-3 Nutrition in Developing Countries
9-4 Emerging Trends in Nutrition Science
Food Safety and Hygiene

Food Safety and Hygiene

Key Concepts

Food Safety and Hygiene are critical aspects of ensuring that food is safe for consumption. Key concepts include:

  1. Personal Hygiene
  2. Food Handling Practices
  3. Temperature Control
  4. Cleaning and Sanitizing
  5. Cross-Contamination Prevention

1. Personal Hygiene

Personal Hygiene involves maintaining cleanliness and health standards of individuals who handle food. This includes regular handwashing, wearing clean clothing, and avoiding activities that could contaminate food.

Example: A food handler should wash their hands with soap and water for at least 20 seconds before handling food, after using the restroom, and after touching raw meat.

2. Food Handling Practices

Food Handling Practices refer to the methods and techniques used to prepare, store, and serve food in a way that prevents contamination. This includes proper storage, cooking, and serving techniques.

Example: Raw meats should be stored on the bottom shelf of the refrigerator to prevent their juices from dripping onto other foods, which could lead to cross-contamination.

3. Temperature Control

Temperature Control involves maintaining food at safe temperatures to prevent the growth of harmful bacteria. This includes keeping food out of the "danger zone" (40°F to 140°F) and ensuring proper cooking and cooling temperatures.

Example: Cooked food should be cooled from 140°F to 70°F within two hours and from 70°F to 40°F within an additional four hours to prevent bacterial growth.

4. Cleaning and Sanitizing

Cleaning and Sanitizing involve the removal and destruction of harmful microorganisms from surfaces and equipment. This includes using appropriate cleaning agents and sanitizing solutions.

Example: A kitchen counter should be cleaned with soap and water to remove dirt and debris, followed by sanitizing with a solution of 1 tablespoon of unscented liquid chlorine bleach per gallon of water.

5. Cross-Contamination Prevention

Cross-Contamination Prevention involves preventing the transfer of harmful bacteria from one food item to another. This includes using separate cutting boards and utensils for raw and cooked foods and properly cleaning surfaces.

Example: A kitchen should have separate cutting boards for raw meat, vegetables, and cooked foods to prevent bacteria from raw meat from contaminating other foods.