834_Food-nutrution-XI

Introduction to Food Nutrition & Dietetics

  • Subject: Food Nutrition & Dietetics

  • Code: 834

  • Grade Level: Class XI

Course Outline

Unit 1: Food and Nutrition: Basic Concepts

  • Chapter 1: Nutritional Status and Primary Health Care

  • Chapter 2: Food: Basic Concepts

  • Chapter 3: Nutrients

  • Chapter 4: Recommended Dietary Allowances

  • Chapter 5: Concepts of Meal Planning

Chapter 1 - Nutritional Status and Primary Health Care

Learning Objectives:

  • Define food, nutrition, and health.

  • Explain the interrelationship between maintaining good health and well-being.

  • List parameters for maintaining Primary Health Care.

Definition of Food:

Substance consumed to provide nutritional support for an organism, consisting of essential nutrients:

  • Carbohydrates

  • Fats

  • Proteins

  • Vitamins

  • Minerals

Components of Food:

  • Nutrients: Essential substances in food that are vital for health.

  • Non-nutrients: Substances like coloring and flavoring agents found in food.

Functions of Food:

  • Physiological: (energy-giving, body-building, protective, regulatory)

  • Social: (expresses acceptance through sharing meals)

  • Psychological: (addresses emotional needs)

Social and Cultural Aspects of Food

  • Celebratory Context: Feasts mark joyous occasions (birth, marriage).

  • Religious Significance: Certain foods offered to deities; distribution as Prasad in temples.

  • Psychological Context: Emotional significance in food choices (e.g., specific foods associated with illness).

Health Definition by WHO

Health:

A complete state of physical, mental, spiritual, and social well-being.

Key Dimensions of Health:

  • Physical Health: Detectable and familiar.

  • Mental Health: Adjustment capacity; inter-related to physical health.

  • Social Health: Ability to relate to others and recognize social obligations.

  • Spiritual Health: Understanding good versus harm.

Primary Health Care Overview

  • Holistic approach based on community needs.

  • Addresses broader determinants of health (education, nutrition, sanitation, etc.).

  • Comprehensive care: Prevention, treatment, rehabilitation, palliative.

Nutritional Status Assessment

Definition:

Health condition influenced by nutrient utilization.

Parameters:

  • Type of diet consumed

  • Previous illnesses and observable signs

  • Nutrient levels in blood and urine

Interrelationship:

Good nutrition leads to health and well-being, but must be clean and wholesome.

Chapter 2 - Basic Concepts of Food

Learning Objectives:

  • Understand general food constituents.

  • Explain nutrients and their roles in growth.

Food Composition:

Primary constituents:

  • Carbohydrates

  • Proteins

  • Fats

Dietary Sources of Essential Nutrients:

  • Carbs: Sugars, starches, fibers from plant foods.

  • Protein: Composed of amino acids (essentials and non-essentials).

Nutritional Functions of Food

Carbohydrate Functions:

  • Energy supplier

  • Protein-sparing action

Protein Functions:

  • Body-building, Regulation, Protection.

Fat Functions:

  • Energy storage, Nutrient carrier (Vitamins A, D, E, K).

Key Nutritional Elements

Vitamins and Minerals:

  • Vital for body function (structure, immune response).

  • Role in preventing diseases.

Dietary Fiber:

  • Important for gut health and disease prevention.

ICMR Five Food Groups

  • Cereal Products: Rice, Wheat, Millet.

  • Fruits and Vegetables: Essential vitamins, minerals.

  • Milk and Dairy: Protein and calcium sources.

  • Fats and Oils: Energy and essential fatty acids.

  • Nuts and Seeds: Healthy fats and energy sources.

Detailed Nutrient Roles

Macronutrients:

Primarily required (Carbs, Proteins, Fats).

Micronutrients:

Needed in smaller amounts (Vitamins, Minerals).

Each nutrient's role:

Energy provision and tissue structure.

Vitamin Importance

Symptoms of deficiencies and food sources for B vitamins and Vitamin C.

  • Vitamin D: Synthesis and sources; importance for bone health.

Nutritional Sources Overview

  • Breakdown of food sources for essential nutrients.

Recommended Dietary Allowances

Rationale:

Addresses different needs of age, weight, activity.

Safety factor:

Added to account for individual requirement variability.

Nutritional Needs in Different Stages

  • Infants, children, and adults: Nutritional needs (energy, protein, micro-elements).

Concepts of Meal Planning

Meal Planning Importance:

Balancing nutrition to meet family needs.

Factors Considered:

  • Nutritional needs

  • Economic capacity

  • Family size/structure

  • Seasonality

  • Cultural context.