It indicates how much of the food is absorbed by the gut (intestines) into the bloodstream. It is the difference between what your cat eats and what your cat excretes. Nutrient bioavailability is the proportion of the absorbed nutrients that are carried to target tissues and are available for use by the body.
What is nutrient bioavailability?
The commonly accepted definition of bioavailability is the proportion of the nutrient that is digested, absorbed and metabolized through normal pathways.
What is the difference between nutrition and digestion?
The processes involved in nutrition are : (i) Ingestion : Taking in food, chewing or sucking it and swallowing. (ii) Digestion : Conversion of complex food into simpler absorbable form. (iii) Absorption : Absorbing digested food from the gut to reach the body tissues.
What is bioavailability in digestion?
Bioavailability can be defined as the amount of a nutrient that is absorbed from the small intestine (the major site of absorption in the digestive tract) into the bloodstream, where it is transported to cells that need it or stored for later use.
What is difference between bioactivity and bioavailability?
Bioavailability is a complex process involving several different stages: liberation, absorption, distribution, metabolism and elimination phases (LADME). Bioactive food compounds, whether derived from various plant or animal sources, need to be bioavailable in order to exert any beneficial effects.
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