intro

• Main types of nutrients in food are carbohydrates, proteins, and lipids
• Chemical elements that make up carbohydrates, lipids, and proteins are carbon, hydrogen, oxygen, and nitrogen
• Human food contains essential nutrients including carbohydrates, lipids, proteins, vitamins, and minerals
• Special nutrient needs for certain groups of people:

  • Pregnant women require more protein, calcium, iron, and vitamin D
  • Teenagers undergoing puberty require more proteins, calcium, and vitamin A
• Consequences of insufficient food intake:

  • Loss of weight
  • Muscle wastage
  • Weakness
  • Starvation
  • Prolonged malnutrition
• Organic compounds contain carbon, hydrogen, and oxygen; inorganic compounds do not contain carbon except for specific exceptions
• Nutrients include carbohydrates, lipids, proteins, vitamin and minerals.