AQA GCSE Food tech part 3

part 3

what is fibre and what is it also referred to as

a form of carbohydrate referred to as NSP or roughage

what are sources of fibre

berries, sweetcorn, lentils, almonds

what are the effects of too little fibre

weight gain, heart disease, constipation, cancer

how much fibre should adults have

30g daily

what are micronutrients

substances out body needs in small doses

what are sources of vitamins

plants and animals

what are sources of fat soluble vitamins

fatty foods e.g. beef, liver, butter

where can we get fat soluble vitamins from

fatty foods e.g. fatty fish and beef liver

what does the body need vitamin a for

growth, maintaining immune system, good skin and eyesight

vitamin a is an

antioxidant

where do you get vitamin a

from retinol, meat, full fat milk, fruits containing carotene

what can excess vitamin a cause and who is advised to stay away from vit a rich foods

weakened bones, pregnant women

what can too little vit a cause

weakened immune system, night blindness, stunted growth

where do you get vit d from naturally

sunlight

what sources are there of vitamin d

fish liver oils, tuna and salmon

what does vit d do and why do we need it

aids mineral absorption to develop healthy teeth and bones

what can excess vit d cause

excess calcium absorption causing damage to kidneys

what conditions can occur from too little vit d

osteoporosis, rickets

what are sources of vit e

vegetable oils, nuts, seeds, green leafy veg

what does vitamin e do

boost immune system, healthy skin and eyes, an antioxidant

what can too much vit e cause

nausea, disruption of blood clotting leading to blurred vision

what can too less vit e cause

weak muscles, eyesight problems

what are sources of vit k

leafy greens, liver, green tea

what can excess vit k cause

not possible but in babies can cause uncontrollable bleeding is they have too less