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Explain the Bioavailability of nutrients?
The amount of many nutrients needed in the diet depends on the absorption or bioavailability of the nutrients. Bioavailability is defined as 'the percent of the dietary nutrient absorbed and utilized for a specific function by the body'. The percent absorption varies widely for different nutrients depending on the quantities ingested and the presence of other constituents of the diet. Examples are: iodine absorption is nearly loo%, calcium absorption in a normal adult is about 40% to 60% while that of iron varies from 1% to 15% , depending on the type of iron and other constituents of the diet. The concept of bioavailability is best illustrated by iron, Iron is present as inorganic iron in vegetarian foods and as organic iron in meat and flesh foods, The inorganic form of the iron, as you may already be aware, is known as 'non-haem iron' while the organic form is known as haem iron. The 'non-haem iron'' absorption is affected by several constituents of the diet while haem iron absorption is relatively independent of these constituents.
Q. What are the near point and the far point of the vision? The near point is the closest distance between the eye and an object that makes possible the formed image to be focu
Hom o sapiens sapiens (MODER N MAN) - Developed from Cro-Magnon about 10,000 years ago after last glacial period in the regions of Caspian and Mediterranean seas.
Echocardiography is one of the -most frequently used imaging modalities for diagnosing cardiovascular diseases. It i's versatile and is applicable in the entire spectrum of
What is the Harshey-chase experiement .explain in detail
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Q. What is mechanical digestion? In molluscs, earthworms, arthropods, birds and vertebrates, in general, which organs respectively participate in this type of digestion? Mechan
What are the types of colloidal dispersions Depending upon the relative affinity of the dispersed phase for the dispersion medium, colloidal dispersions are, further divided in
Q. Dietary Management of Children with Diarrhoea? Diarrhoeas are more common in children and malnutrition often leads to the elicitation of this symptom as undernourished are m
Digestive System of Class Asteroidea Most asteroids are scavengers or carnivores and feed on snails, bivalves, polychaets, other echinoderms, fish, sponges, sea anemones and p
Define Methods of Determination of Proteins and Amino Acid Content in Foods? The methods for protein quality evaluation are grouped under the following headings: I) Analytic
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