Introduction to Foods and Nutrition

Introduction to Foods and Nutrition

• The course covers key concepts, terms, and classifications in food and nutrition.

Core Concepts

• Food: Substance providing heat, energy, and nutrients necessary for body function.

• Dish: Specific preparation of food.

• Meal: Combination of dishes consumed at one sitting.

• Diet: Regular food consumption or prescribed food.

• Balanced Diet: Provides right proportions of nutrients.

• Digestion: Process of breaking down food.

Nutrient Types

• Nutrients: Essential for body processes; include carbohydrates, fats, proteins, vitamins, minerals, water, and fiber.

• Malnutrition: Imbalance in nutrient intake, leading to undernutrition or overnutrition.

Principles of Nutrition

• Importance of diversified and adequate diet for health.

• Poor nutrition linked to cell-level health issues.

• Groups at higher risk of malnutrition include infants and pregnant women.

Food Classification

• By Origin: Animal (high in protein) vs. Plant (rich in carbohydrates, etc.).

• By Chemical Composition: Carbohydrates, fats, proteins, vitamins, and minerals.

• By Function: Body-building, energy-giving, and protective foods.

Major Nutrients and Functions

• Carbohydrates: Main energy source, stored as glycogen in animals and starch in plants.

• Proteins: Necessary for growth and repair, composed of amino acids (9 essential).

• Fats: Source of energy, carry vitamins, protect organs.

• Vitamins & Minerals: Essential for numerous bodily functions, play roles in health maintenance.

Water and Fiber

• Water: Comprises 60-70% of body; vital for various bodily functions.

• Fiber: Aids digestion; includes soluble and insoluble types.

Purchasing Food

• Importance of selecting fresh, high-quality produce and animal products.

• Specific characteristics to consider when selecting fruits, vegetables, meats, legumes, and dairy products.