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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.
Following fertilization by a normal sperm, what chromosome condition is created?
How do meiosis do in developing of new varieties of crops
Why is genetic homozygosity dangerous to a nearly extinct species? Genetic homozygosity leaves no variation for natural selection to act on. Thus, a new disease could wipe
Describe about the role of plant breeding in crop improvement?
Upon admission the DPU nurse notes: Fasting status - fasted from 12 midnight, no morning medication taken. Consent - signed Pre anaesthetic check Test results
Class of Mollusca - Aplacophora Worm-like, no shell, head or excretory organs mantle with chitinous cuticle or scales or spicules mantle cavity posterior. Aplacophorans are a
Describe Aortic Regurgitation Murmur in Chronic AR Murmur ? Characteristic: High pitched, decrescendo murmur, immediately after S2 and extending through and part or all of dias
What is the stage of cellular respiration during which carbon dioxide is liberated? In aerobic cellular respiration the release of carbon dioxide occurs in the transformation o
Explain Xanthan Gum Xanthan gum is a microbial polymer prepared commercially in pure culture fermentation from Xanthomonas campestris. This polysaccharide was given the generic
Define Vitamin A, Iron and Zinc required for elderly? Vitamin A, Iron and Zinc: The recommendation for iron is said to decrease in elderly women. Intake of vitamin E and zinc
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