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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.
Give an example of how a functional group can affect the elements of an organic compound. The hydroxyl group on alcohols is polar and this produces alcohols polar compounds.
HACCP Control Point HACCP Control Point : Any step at which biological, chemical or physical factors can be controlled.
Classification of Microorganisms On basis of temperature for growth Microorganisms can be classified into: - Thermophillic: Microbes those require high temperature for
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Explain The nutritional care process The nutritional care process is a systematic and logical approach to ensure effective and successful nutrition and intervention. The Ame
Long-hair in cats is due to the recessive long-hair allele, l. Black cats (rather than tabbies) are due to the recessive agouti allele, a. A long-haired black female cat has mat
State the basic properties of Cell The differences of cell types notwithstanding, the similarities among them are more profound. Actually, all cells possess the same basic prop
Explain Metabolic changes during infection With the rise in body temperature above normal (98.4 0 F or 37°C) due to infection several metabolic changes occur in the body
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Why does having three color receptors (a.k.a. opsins) lead to a more complex color perception than just two?
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