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arachidonic acid

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arachidonic acid /arach·i·don·ic acid/ (ah-rak″ĭ-don´ik) a polyunsaturated 20-carbon essential fatty acid occurring in animal fats and formed by biosynthesis from linoleic acid; it is a precursor to leukotrienes, prostaglandins, and thromboxane.
ar·a·chi·don·ic acid (r-k-dnk)
n.
An unsaturated fatty acid found in animal fats that is essential in human nutrition and is a precursor in the biosynthesis of some prostaglandins.
arachidonic acid
[ar′əkidon′ik]
Etymology: L, arachos, a legume
a long-chain fatty acid that is a component of lecithin and a basic material in the biosynthesis of some prostaglandins. In mammals, arachidonic acid is synthesized from linoleic acid.
arachidonic acid [ah-rak″ĭ-don´ik]
an essential fatty acid that cannot be synthesized by animal tissues and must be obtained in the diet.
arachidonic acid (ar´kdon´ik),
n an essential fatty acid that is a com-ponent of lecithin and a basic material for the biosynthesis of some prostaglandins.
Arachnia propionica,
n an opportunistic, naturally occurring organism in the body, especially in body cavities and on the skin. It is sometimes implicated in actinomycosis, especially in open wounds.
arachidonic acid
twenty carbon fatty acid containing four double bonds of the n-6 family essential fatty acids from which prostaglandins, thromboxane and leukotrienes are derived. Deficiency, which is characterized by hair loss, fatty liver degeneration, anemia and reduced fertility, occurs most commonly in cats because of their inability to synthesize arachidonic acid from linoleic acid.
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Arachidonic acid can then be converted into various inflammatory chemicals, high levels of which have been found in the bowel tissue of patients with ulcerative colitis.
'Healthy' fat could lead to bowel disease by Asian News International
Martek Biosciences Corporation produces life'sDHA, a sustainable and vegetarian source of DHA omega-3, for use in foods, beverages, infant formula and supplements, and life's AA, a sustainable and vegetarian source of the omega-6 fatty acid arachidonic acid, for use in infant formula (www.
Martek champions DHA omega-3 by Nutraceutical Business & Technology
5) In addition, Life Extension reported in the landmark article "Eating Your Way to Prostate Cancer," (10) published in February 2007, about the importance of controlling dietary intake of arachidonic acid and the grave consequences of failing to mitigate up-regulation of the 5-lipoxygenase (5-LOX) enzyme caused by poor dietary choices.
Life extension responds to misleading article published in journal of ... by Life Extension
 
 
 
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