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Functions And Roles Of Nutrients Functions And Roles Of Nutrients

Functions And Roles Of Nutrients - PowerPoint Presentation

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Uploaded On 2017-08-06

Functions And Roles Of Nutrients - PPT Presentation

Functions of Protein For growth and repair When children do not have enough of this in there diet they may result in poor growth diarrhoea However when adults do not have enough of this they may result in dry hair dry skin loss of fat ID: 576482

functions protein ect fibre protein functions fibre ect fats provide carbohydrate amino weight acids carbohydrates diet body energy room

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Presentation Transcript

Slide1

Functions And Roles Of NutrientsSlide2

Functions of Protein

For growth and repair

When children do not have enough of this in there diet they may result in poor growth, diarrhoea. However when adults do not have enough of this they may result in dry hair, dry skin, loss of fat.

Fats are made from amino acid molecules

HBV protein – High Biological Value protein which has all of the essential amino acids an example of this would be meat, fish, eggs and milk ect.

LBV protein – Low Biological Value protein is when a food is missing one or more of the essential amino acidsSlide3

Functions of Fats

Solid at room temperature

Oil = liquid at room temperature

Saturated fats are acids full of hydrogen

Unsaturated fats have double bonds and can take more hydrogen

Function = To provide energy, To provide vitamins A,D,E, and K

Found in butter, lard, meat, nuts, oily fish, crisps cakes, and chocolate ect.

When you do not have enough fat in the diet then you can get a deficiency in vitamin A, D, E, and K. However when you eat too much then you can gain weight.Slide4

Functions of Carbohydrates

Carbohydrates provides an energy store for the body

NSP dietary fibre gets rid of body waste

Glucose is in vegetables, and ripe fruits ect.

Fructose is in fruits and honey ect.

Galactose is in milk

When you do not have enough carbohydrates then you get low sugar levels in the blood, and weight loss. However when you eat too much then you provide yourself with more energy than what you would use up in a physical activity. This can lead to weight gain.Slide5

Functions of fibre in the diet

To help the body get rid of solid waste, and also to reduce the amount of cholesterol in the blood

You can get fibre from stems, leaves, leaf stalks, bread, beans, peas, pasta, plums and applesSlide6

Homework Due Wed 23rd

Carbohydrate

Collect 4 images and label carbohydrate starch food, 4 carbohydrate sugar foods, 4 NSP (fibre, roughage)