nutriton

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why we need food? 1) heat and energy 2) growth and repair 3) helps fight disease
factors that affect our food choice 1) cost- some foods are too expensive to buy regularly eg. steak 2) foods that are readily available 3) foods in season 4) lifestyle 5) culture and tradition 6)religious rules 7) nutritional value 8) personal like
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nutrients 1. protein 2. fat 3. carbohydrate 4. minerals 5. vitamins 6. water
protein is made up of chains of amino acids. each amino acid is made up of he elements carbon, hydrogen, oxygen and nitrogen.
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classification of protein. First class protein(usually from animals) sources: meat fish eggs etc
Second class protein, (usually from plants) sources: peas, beans lentils etc
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Functions of protein, Growth of body, repairs worn out and damaged cells
comp of fats. Saturated fats( usually called animal fats)sources: rashers
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unsaturated fats(usually called vegetable fats) sources: beans, peas, lentils etc
functions of fat in the body, gives us heat and energy, a layer of adipose tissue underneth the skin insulates the body
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how to cut down on fat: grill,bake or microwave instead of frying. cut visible fats off meat. use low fat foods
comp of carbohydrates. carbs are made up of the elements carbon, hydrogen and oxygen. fats produce more energy, they are made up of chains of simple sugars
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classification: sources(sugars): honey, fruit, ice-cream,etc.
starches! sources: bread, breakfast cereals, potatoes.
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fibre rich foods, sources: brown bread, brown rice and fruit
functions of carbs: provides heat and energy. they fill you up. help stop constipation and other bowel conditions.
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FIBRE: it is recommended that we get 25-30g of fibre each day, yet irish people only eat 15-20g
vitamins: water soluble:dissolve in water(vitamins c and b) fat soluble: dissolve in fat(a,d,e and k)
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scurvy is a disease caused by the lack of vitamin c. symptoms: poor healing of wounds, frequent bruising and anaemia.
preventing vit c loss: dont buy wilted veg, cook veg soon after buying, dont overcook veg, and dont use soda when cooking cabbage.
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rickets: is a disease caused by the lack of vitamin d.
osteomalacia: is the adult form of rickets
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minerals, calcium, iron, iodine, flourine, sodium and phosphorus
sources of calcium, cheese, milk, water
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functions of calcium, its needed to build strong bones and teeth
deficiency symptoms, child, rickets. adults, osteomalacia. osteoporosis.
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Iron.souces, red meat, offal
functions/deficiency symptoms, there is a substance called haemoglobin in our blood, it carries oxygen to all the cells in the bod that need it , if we do not have enough haemoglobin our blood we risk anaemia.
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vitamin c, needed to absorb iron
vitamin d, needed to absorb calcium
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functions, why is water needed in the body? body fluids are mainly water. water is a source of calcium. water removes waste from the body. it helps keep the body at the right temperature.
dehydration occurs when our body looses more than 2% of its natural volume of water or after a long period of vomiting or diarrhoea
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Card 2

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protein is made up of chains of amino acids. each amino acid is made up of he elements carbon, hydrogen, oxygen and nitrogen.

Back

nutrients 1. protein 2. fat 3. carbohydrate 4. minerals 5. vitamins 6. water

Card 3

Front

Second class protein, (usually from plants) sources: peas, beans lentils etc

Back

Preview of the back of card 3

Card 4

Front

comp of fats. Saturated fats( usually called animal fats)sources: rashers

Back

Preview of the back of card 4

Card 5

Front

functions of fat in the body, gives us heat and energy, a layer of adipose tissue underneth the skin insulates the body

Back

Preview of the back of card 5
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