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Nutrients. Nutrients substances that your body needs to grow, to repair itself and to supply you with energy Classified into 6 groups: Carbohydrates Proteins Fats Vitamins Minerals Water. Carbohydrates. The starches and sugars present in foods Body’s main source of energy

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Nutrients
Nutrients

Nutrients substances that your body needs to grow, to repair itself and to supply you with energy

Classified into 6 groups:

  • Carbohydrates

  • Proteins

  • Fats

  • Vitamins

  • Minerals

  • Water


Carbohydrates
Carbohydrates

  • The starches and sugars present in foods

  • Body’s main source of energy

  • Simple – sugars

  • Complex – starches

    • Fiber


Proteins
Proteins

  • Nutrients that help build and maintain body cells and tissues

  • Made of long chains of amino acids

  • Used to make enzymes, hormones and antibodies

  • Supply body with

    energy


Fats

  • Lipid – fatty substance that does not dissolve in water

  • Some fat is necessary for good health

  • Types:

    • Saturated – solid at room

      temperature

    • Unsaturated – liquid at

      room temperature


Role of fats
Role of Fats

  • Provide a concentrated form of energy

  • Transport vitamins in blood stream

  • Needed for growth and healthy skin

  • Add flavor and texture to foods

  • Help satisfy hunger longer

  • Consuming excess can result in weight gain and obesity


Vitamins
Vitamins

  • Compounds that help regulate many vital body processes, including digestion, absorption and metabolism of other nutrients

  • Water-soluble and fat-soluble


Common vitamins
Common Vitamins

  • C – protects against infection

  • A – keeps eyes moist and adjusts to darkness

  • D – bone and tooth development

  • Folic Acid – needed for cell replication and growth


Minerals
Minerals

  • Substances that the body cannot manufacture but that are needed for forming healthy bones and teeth and for regulating many vital body processes


Common minerals
Common Minerals

  • Calcium – building bones and teeth

  • Iron – important for red blood cell function

  • Phosphorous – gives rigidity to bones, maintains pH balance in blood and essential in cell metabolism

  • Magnesium – aids in bone growth and muscle contraction



Water
Water

  • Vital to every body function

  • Transports nutrients

  • Carries wastes

  • Important to drink at least 8 glasses of water a day


Questions
Questions

  • Compare the energy provided to the body by carbohydrates, proteins and fats.

  • What is the difference between vitamins and minerals?

  • What are the benefits of eating a variety of fruits and vegetables?


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