Fibre
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Name some sources of insoluble fibre:
Wheat Maize Rice Wholemeal bread
Name some sources of soluble fibre:
Oats Rye Barley Peas
Explain soluble fibre:
Slows down the release of glucose into the blood stream and minimises symptoms of diabetes Stops us feeling hungry
Explain insoluble fibre:
Acts by binding water in the intestine increases bulk of faeces
What diseases and health problems can soluble fibre decrease the risk of?
Lowers blood cholesterol - CVD, hypertension Low calorie foods - lower risk of obesity
What diseases and health problems can insoluble fibre reduce the risk of?
Constipation Bowel disorders - irritable bowel, diverticular disease, haemorrhoids, gallstones and cancer of the colon
What is a disadvantage of insoluble fibre?
May contain phytates which may affect zinc and iron absorption
What is another disadvantage of insoluble fibre?
Increased bowel movement - flatulence
What can be a disadvantage of overall fibre consumption?
Fill toddlers up - leads to a less balanced diet
What is peristalsis?
Faeces are formed in the small intestine - moves along the wall of the intestine by peristalsis - muscle contraction of the intestinal wall