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DHA, an important omega-3 fatty acid, is found concentrated in mammalian brains. For example, according to Nutrition Data, 85g (3 oz) of cooked beef brain contains 727 mg of DHA. [ 7 ] By way of comparison, the NIH has determined that small children need at least 150 mg of DHA per day, and pregnant and lactating women need at least 300 mg of DHA.
In humans, DHA is either obtained from the diet or may be converted in small amounts from eicosapentaenoic acid (EPA, 20:5, ω-3). With the identification of FADS2 as a human Δ4-desaturase in 2015, it is now known that humans follow the same synthesis pathway as aerobic eukaryotes, involving Δ5-elongation to DPA and Δ4-desaturation to DHA.
Mammals are unable to synthesize omega−3 fatty acids, but can obtain the shorter-chain omega−3 fatty acid ALA (18 carbons and 3 double bonds) through diet and use it to form the more important long-chain omega−3 fatty acids, EPA (20 carbons and 5 double bonds) and then from EPA, the most crucial, DHA (22 carbons and 6 double bonds). [2]
On September 8, 2004, the U.S. Food and Drug Administration gave "qualified health claim" status to EPA and DHA omega−3 fatty acids, stating, "supportive but not conclusive research shows that consumption of EPA and DHA [omega−3] fatty acids may reduce the risk of coronary heart disease". [17]
The number of calories per treat will determine how many you can give your cat each day, and it’s often beneficial to select a low-calorie option if your pet is overweight. Some cat treats also ...
To illustrate the amounts of EPA and DHA in supplements, a softgel capsule containing fish oil derived from pollock might contain a total of 642 mg of total fish oil, of which 584 mg are omega−3 fatty acids, with 377 mg EPA and 158 mg DHA. 3 That same company's salmon oil softgel contains 1008 mg of total fish oil, of which 295 mg are omega ...
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Eicosapentaenoic acid (EPA; also icosapentaenoic acid) is an omega−3 fatty acid.In physiological literature, it is given the name 20:5(n−3).It also has the trivial name timnodonic acid.