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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.
Define Types of Non Enzymatic Browning Reaction? Two major types of non enzymatic browning reaction have been recognized to occur in foods during processing. 1. Maillard Rea
15 character of protozoa
Sir/Madam, I am a Banquet Farm Owner and face the problem with the Grass that in November & December the grass does not grow well or disappear beacuse of heavy foot fall. Is their
Q. What is the main risk factor for skin cancer? The major risk factor for skin cancer is solar exposition of the skin without protection against ultraviolet radiation (a poten
Which are growth tissues of plants? How do they categorize and where can they be found? Growth tissues of the plants are the meristems. The Meristems are the tissues that produ
The Word 'disaster' is believed to be originating from the French word 'Disastre' which is a combination of two words 'des' meaning bad and 'astre' meaning star. Thus this term ref
Which kind of weak interaction can define higher order structure and in the same time DNA.
Spermatophores Many non-chordates do not release free sperms during copulation. They have a mechanism to bundle and enclose a number of sperms in a sheath usually made of gela
Define the Management of Epileptic Patients? The primary treatment of epilepsy is anticonvulsant drugs. The focus of nutritional management is a diet, which is appropriate for
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