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Fuctions - Soluble

  • Dissolves in water
  • Forms a gel when it combines with water in stomach
  • This slows down digestion & absorption of carbohydrates
  • Helps control blood sugar levels  = stop feeling hungry = good for weight management (reduces risk of obesity)
  • Reduce cholesterol levels = reduced risk of CHD
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Fuctions - Insoluble

  • Does not dissolve in water
  • Absorbs water in intestinal tract & increases in bulk
  • Helps stool become softer & bulky = gut in good working order
  • Speeds up the passage of food through the gut
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Sources - Soluble

  • Oats
  • Peas
  • Beans
  • Most fruit & veg
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Sources - Insoluble

  • Wholemeal bread & flour
  • Wholegrain breakfast cereals
  • Brown rice
  • Some fruit and veg
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PAD - Heart Disease

  • Unabsorbed NSP has the ability to bind and trap other substances (including cholesterol)
  • Soluble NSP has a lowering effect on plasma cholesterol which in turn reduces the risk of heart disease
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PAD- Bowel Disorders

  • Bowel content increases in volume which facilitates contractions of the large intestines = reduces transit time & less pressure to remove contents
  • Benefits a number of conditions such as:



- Appendicitis

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PAD- Overweight and Obesity

  • High in starch and low in fat diets = energy density is low
  • Satiating effect = useful in regulating energy balance
  • Soluble NSP slows gastric emptying = feeling fuller?
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PAD - Diabetes

  • Improve glucose intolerance
  • Slows down the rate of glucose aborption from the gut = reduced likely of subsequent peaks of glucose and insulin
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Disadvantages of High NSP Diet

  • Contain phytates which reduce the absoprtion of minerals such as zinc and iron
  • Flatulence and increase bowel movement may be caused
  • May fill toddlers easily and therefore may not consume a balance diet
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Current Dietry Guideline & Rationale

Increased to 18g per day from 12g per day from a combination of cereal and vegetable sources

(See PAD cards for rationale)

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