Nutrients Science and Technology III. What is a Nutrient?

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Presentation transcript:

Nutrients Science and Technology III

What is a Nutrient?

b substances the body needs for

What is a Nutrient? b substances the body needs for energy (fuel)energy (fuel)

What is a Nutrient? b substances the body needs for energy (fuel)energy (fuel) growth and repairgrowth and repair

There are SIX (6) basic nutrients

1 Carbohydrates

There are SIX (6) basic nutrients 1 Carbohydrates 2 Fats

There are SIX (6) basic nutrients 1 Carbohydrates 2 Fats 3 Proteins

There are SIX (6) basic nutrients 1 Carbohydrates 2 Fats 3 Proteins 4 Vitamins

There are SIX (6) basic nutrients 1 Carbohydrates 2 Fats 3 Proteins 4 Vitamins 5 Minerals

There are SIX (6) basic nutrients 1 Carbohydrates 2 Fats 3 Proteins 4 Vitamins 5 Minerals 6 Water

MACROnutrients and MICROnutrients

MICROnutrients and MACROnutrients b Micronutrients are simple, soluble nutrients, that the body can absorb and use right away

MICROnutrients and MACROnutrients b Micronutrients are simple, soluble nutrients, that the body can absorb and use right away b Macronutrients are complex molecules, that have to be digested first

MicroNutrients b Some nutrients are simple molecules that can be used directly by cells

MicroNutrients vitaminsvitamins

MicroNutrients b Some nutrients are simple molecules that can be used directly by cells vitaminsvitamins mineralsminerals

MicroNutrients b Some nutrients are simple molecules that can be used directly by cells vitaminsvitamins mineralsminerals waterwater

MicroNutrients b Some nutrients are simple molecules that can be used directly by cells vitaminsvitamins mineralsminerals waterwater

MicroNutrients b Some nutrients are simple molecules that can be used directly by cells vitamins minerals water

MacroNutrients b Other nutrients need to be broken down into simpler substances before they can be absorbed

MacroNutrients b This is called digestion

MacroNutrients b Macronutrients Digested Into:

MacroNutrients b carbohydrates

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars b proteins

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars b proteinsamino acids

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars b proteinsamino acids b fats

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars b proteinsamino acids b fatsfatty acids and glycerol

MacroNutrients b Macronutrients Digested Into: b carbohydrates simple sugars b proteinsamino acids b fatsfatty acids and glycerol Building BlocksMacromolecules

How the body uses nutrients

b ENERGY

How the body uses nutrients b ENERGY b carbohydrates

How the body uses nutrients b ENERGY b carbohydrates b fats

How the body uses nutrients b ENERGY b carbohydrates b fats b proteins

How the body uses nutrients b GROWTH and REPAIR

How the body uses nutrients b GROWTH and REPAIR b protein

How the body uses nutrients b GROWTH and REPAIR b protein b minerals

How the body uses nutrients b CONTROL and MAINTENANCE of body processes

How the body uses nutrients b CONTROL and MAINTENANCE of body processes b vitamins

How the body uses nutrients b CONTROL and MAINTENANCE of body processes b vitamins b minerals

How the body uses nutrients b CONTROL and MAINTENANCE of body processes b vitamins b minerals b water

How the body uses nutrients b CONTROL and MAINTENANCE of body processes b vitamins b minerals b water b fibre

What’s FIBRE ??

b Fibre is a kind of carbohydrate which cannot be digested

What’s FIBRE ?? b Fibre is a kind of carbohydrate which cannot be digested

What’s FIBRE for ??

b Fibre retains some water in the contents of the large intestine (feces)

What’s FIBRE for ?? b Fibre retains some water in the contents of the large intestine (feces) Did you really want to know that?

What’s FIBRE for ?? b Fibre retains some water in the contents of the large intestine (feces) b Fibre helps prevent constipation

What’s FIBRE for ?? b Fibre retains some water in the contents of the large intestine (feces) b Fibre helps prevent constipation b Fibre reduces the risk of colon cancer

What’s FIBRE for ?? b Fibre retains some water in the contents of the large intestine (feces) b Fibre helps prevent constipation b Fibre reduces the risk of colon cancer b Fibre helps lower blood levels of ‘bad’ cholesterol

What’s FIBRE for ?? b Fibre retains some water in the contents of the large intestine (feces) b Fibre helps prevent constipation b Fibre reduces the risk of colon cancer b Fibre helps lower blood levels of ‘bad’ cholesterol b Fibre reduces the risk of heart attack and stroke

What’s FIBRE for ?? b Pretty good for something that goes right through the digestive system, without getting digested or absorbed!

The End