Licensed Nutritionist / Licensed Dietitian Nutritionist (LDN) - USA
1 Introduction to Nutrition Science
1-1 Definition and Scope of Nutrition Science
1-2 Historical Development of Nutrition Science
1-3 Importance of Nutrition in Health and Disease
2 Macronutrients
2-1 Carbohydrates
2-1 1 Classification of Carbohydrates
2-1 2 Functions of Carbohydrates in the Body
2-1 3 Recommended Intake and Dietary Sources
2-2 Proteins
2-2 1 Classification of Proteins
2-2 2 Functions of Proteins in the Body
2-2 3 Recommended Intake and Dietary Sources
2-3 Fats
2-3 1 Classification of Fats
2-3 2 Functions of Fats in the Body
2-3 3 Recommended Intake and Dietary Sources
3 Micronutrients
3-1 Vitamins
3-1 1 Water-Soluble Vitamins
3-1 1-1 Vitamin C
3-1 1-2 B Vitamins
3-1 2 Fat-Soluble Vitamins
3-1 2-1 Vitamin A
3-1 2-2 Vitamin D
3-1 2-3 Vitamin E
3-1 2-4 Vitamin K
3-2 Minerals
3-2 1 Major Minerals
3-2 1-1 Calcium
3-2 1-2 Phosphorus
3-2 1-3 Magnesium
3-2 1-4 Sodium
3-2 1-5 Potassium
3-2 1-6 Chloride
3-2 2 Trace Minerals
3-2 2-1 Iron
3-2 2-2 Zinc
3-2 2-3 Copper
3-2 2-4 Selenium
3-2 2-5 Iodine
4 Energy Balance and Metabolism
4-1 Energy Requirements
4-1 1 Basal Metabolic Rate (BMR)
4-1 2 Total Daily Energy Expenditure (TDEE)
4-2 Factors Affecting Energy Balance
4-2 1 Physical Activity
4-2 2 Age
4-2 3 Gender
4-2 4 Body Composition
4-3 Weight Management
4-3 1 Principles of Weight Loss and Gain
4-3 2 Dietary Strategies for Weight Management
5 Dietary Guidelines and Planning
5-1 Dietary Reference Intakes (DRIs)
5-1 1 Recommended Dietary Allowances (RDAs)
5-1 2 Adequate Intakes (AIs)
5-1 3 Tolerable Upper Intake Levels (ULs)
5-2 Food Guide Pyramids and Plates
5-2 1 USDA Food Pyramid
5-2 2 MyPlate
5-3 Diet Planning
5-3 1 Creating Balanced Meals
5-3 2 Meal Timing and Frequency
5-3 3 Special Dietary Needs
6 Nutrition in the Life Cycle
6-1 Prenatal and Infant Nutrition
6-1 1 Maternal Nutrition During Pregnancy
6-1 2 Breastfeeding and Infant Feeding
6-2 Childhood and Adolescent Nutrition
6-2 1 Nutritional Needs of Children
6-2 2 Nutritional Needs of Adolescents
6-3 Adult Nutrition
6-3 1 Nutritional Needs of Adults
6-3 2 Dietary Patterns for Adults
6-4 Geriatric Nutrition
6-4 1 Nutritional Needs of the Elderly
6-4 2 Dietary Challenges in the Elderly
7 Nutrition and Disease Prevention
7-1 Cardiovascular Diseases
7-1 1 Role of Diet in Cardiovascular Health
7-1 2 Dietary Recommendations for Heart Health
7-2 Diabetes
7-2 1 Role of Diet in Diabetes Management
7-2 2 Dietary Recommendations for Diabetes
7-3 Cancer
7-3 1 Role of Diet in Cancer Prevention
7-3 2 Dietary Recommendations for Cancer Prevention
7-4 Osteoporosis
7-4 1 Role of Diet in Bone Health
7-4 2 Dietary Recommendations for Osteoporosis Prevention
8 Clinical Nutrition
8-1 Nutritional Assessment
8-1 1 Anthropometric Measurements
8-1 2 Biochemical Measurements
8-1 3 Dietary Assessment
8-2 Nutritional Support
8-2 1 Enteral Nutrition
8-2 2 Parenteral Nutrition
8-3 Nutritional Care in Special Populations
8-3 1 Pediatric Nutrition
8-3 2 Geriatric Nutrition
8-3 3 Nutrition in Chronic Diseases
9 Food Safety and Foodborne Illnesses
9-1 Principles of Food Safety
9-1 1 Foodborne Pathogens
9-1 2 Food Handling Practices
9-2 Food Preservation Techniques
9-2 1 Canning
9-2 2 Freezing
9-2 3 Pasteurization
9-3 Food Additives and Contaminants
9-3 1 Types of Food Additives
9-3 2 Food Contaminants and Their Effects
10 Community and Public Health Nutrition
10-1 Role of Nutrition in Public Health
10-1 1 Nutrition Education Programs
10-1 2 Community Nutrition Initiatives
10-2 Nutrition Policy and Advocacy
10-2 1 Role of Government in Nutrition Policy
10-2 2 Advocacy for Nutrition Programs
10-3 Nutrition in Disaster and Emergency Situations
10-3 1 Nutritional Needs in Emergencies
10-3 2 Emergency Food Assistance Programs
11 Professional Practice and Ethics
11-1 Scope of Practice for Licensed NutritionistsDietitian Nutritionists
11-1 1 Legal Responsibilities
11-1 2 Professional Standards
11-2 Ethical Principles in Nutrition Practice
11-2 1 Confidentiality
11-2 2 Informed Consent
11-2 3 Conflict of Interest
11-3 Continuing Education and Professional Development
11-3 1 Importance of Lifelong Learning
11-3 2 Opportunities for Continuing Education
9-1-2 Food Handling Practices Explained

9-1-2 Food Handling Practices Explained

Key Concepts Related to Food Handling Practices

1. Personal Hygiene

Personal hygiene is crucial in preventing foodborne illnesses. This includes proper handwashing, wearing clean clothing, and avoiding activities that can contaminate food.

2. Food Storage

Proper food storage prevents spoilage and contamination. This involves storing food at the correct temperatures, using airtight containers, and organizing storage areas.

3. Cooking Temperatures

Cooking food to the correct temperature kills harmful bacteria. This includes using a food thermometer to ensure meats, poultry, and seafood reach safe internal temperatures.

4. Cross-Contamination Prevention

Cross-contamination occurs when bacteria from one food item are transferred to another. This can be prevented by using separate cutting boards, utensils, and storage areas for raw and cooked foods.

5. Food Labeling and Dating

Proper labeling and dating help ensure food safety by identifying the contents and expiration dates. This prevents the consumption of expired or improperly stored foods.

6. Cleaning and Sanitizing

Regular cleaning and sanitizing of food preparation areas and equipment are essential to remove bacteria and prevent contamination. This includes using appropriate cleaning agents and following proper procedures.

7. Safe Food Transport

Transporting food safely involves maintaining proper temperatures and preventing contamination during transit. This includes using insulated containers and keeping food covered.

8. Receiving and Inspecting Food

Properly receiving and inspecting food upon delivery ensures that only safe and high-quality products are used. This involves checking for expiration dates, proper packaging, and any signs of spoilage.

9. Training and Education

Providing ongoing training and education to food handlers ensures they are knowledgeable about proper food handling practices. This includes regular updates on food safety regulations and best practices.

Explanation of Key Concepts

Personal Hygiene

Personal hygiene practices include washing hands with soap and water for at least 20 seconds, especially before handling food, after using the restroom, and after touching raw meat. Wearing clean clothing and hairnets, and avoiding activities like smoking or handling money near food preparation areas, are also essential.

Food Storage

Food should be stored at the correct temperatures to prevent bacterial growth. Perishable items should be kept in the refrigerator at 40°F (4°C) or below, and frozen foods should be stored at 0°F (-18°C) or below. Using airtight containers and organizing storage areas to prevent cross-contamination are also important.

Cooking Temperatures

Cooking food to the correct temperature ensures that harmful bacteria are killed. For example, beef and pork should be cooked to an internal temperature of 145°F (63°C) with a three-minute rest time, while poultry should reach 165°F (74°C). Using a food thermometer is the best way to ensure these temperatures are met.

Cross-Contamination Prevention

Cross-contamination can be prevented by using separate cutting boards, utensils, and storage areas for raw and cooked foods. For example, using a designated cutting board for raw meats and another for vegetables can prevent bacteria from raw meat from contaminating other foods.

Food Labeling and Dating

Proper labeling and dating help identify the contents and expiration dates of food items. For example, using labels to indicate the date food was prepared and the storage instructions can prevent the consumption of expired or improperly stored foods.

Cleaning and Sanitizing

Regular cleaning and sanitizing of food preparation areas and equipment are essential to remove bacteria and prevent contamination. This includes using appropriate cleaning agents, such as soap and water for general cleaning, and sanitizers like bleach solutions for sanitizing surfaces.

Safe Food Transport

Transporting food safely involves maintaining proper temperatures and preventing contamination during transit. For example, using insulated containers and keeping food covered can help maintain safe temperatures and prevent contamination from external sources.

Receiving and Inspecting Food

Properly receiving and inspecting food upon delivery ensures that only safe and high-quality products are used. This involves checking for expiration dates, proper packaging, and any signs of spoilage. For example, inspecting produce for freshness and checking for leaks or damage in packaging can prevent the use of unsafe food items.

Training and Education

Providing ongoing training and education to food handlers ensures they are knowledgeable about proper food handling practices. This includes regular updates on food safety regulations and best practices. For example, conducting regular food safety training sessions and providing resources like handbooks and online courses can help maintain a high level of food safety awareness.

Examples and Analogies

Personal Hygiene

Think of personal hygiene as "keeping a clean kitchen." Just as a clean kitchen prevents food contamination, maintaining personal hygiene prevents bacteria from entering the food preparation process.

Food Storage

Consider food storage as "preserving freshness." Just as preserving fruits and vegetables in a cool, dry place keeps them fresh, proper food storage prevents spoilage and contamination.

Cooking Temperatures

Imagine cooking temperatures as "killing germs." Just as disinfecting surfaces kills germs, cooking food to the correct temperature kills harmful bacteria.

Cross-Contamination Prevention

Think of cross-contamination prevention as "separating ingredients." Just as separating ingredients in a recipe prevents them from mixing, using separate utensils and storage areas prevents bacteria from spreading.

Food Labeling and Dating

Consider food labeling and dating as "keeping a food diary." Just as a diary helps track important dates, proper labeling and dating help track the freshness and safety of food items.

Cleaning and Sanitizing

Imagine cleaning and sanitizing as "disinfecting surfaces." Just as disinfecting surfaces removes germs, regular cleaning and sanitizing remove bacteria and prevent contamination.

Safe Food Transport

Think of safe food transport as "protecting a meal." Just as protecting a meal from spills and contamination ensures it remains safe to eat, maintaining proper temperatures and preventing contamination during transit ensures food safety.

Receiving and Inspecting Food

Consider receiving and inspecting food as "quality control." Just as quality control ensures only high-quality products are used, properly inspecting food upon delivery ensures only safe and high-quality products are used.

Training and Education

Imagine training and education as "building knowledge." Just as building knowledge helps individuals perform better, ongoing training and education ensure food handlers are knowledgeable about proper food handling practices.