Saturday, November 2, 2013

Foods Containing Omega 3 Fatty Acids.

Foods Containing Omega 3 Fatty Acids.

by Melanie Caplan

ALA from perilla is already available in some countries and krill, shrimp-like creatures abundant in the Antarctic Ocean, are being targeted by a Canadian company as a future Omega-3 source. Krill oil contains 25% Omega-3 EPA and DHA.

What is Omega 3?Omega 3 is, in fact, a polyunsaturated fatty acid which, as it passes through the limentary canal (digestive tract through the human body), breaks down existing cholesterol and deposits a minutely thin barrier to prevent its reformation.

As the health reputation of the Omega-3s grows, food manufacturers have explored the opportunity of fortifying everyday foods with Omega-3s. Omega-3 eggs are increasingly available; for example, bread fortified with 13mg of Omega-3 DHA per slice is now available in New Zealand and Australia. Malaysia has a cracker fortified with vitamins, minerals and both Omega-3 and Omega-6 EFAs and a similarly fortified margarine serves as a fine accompaniment.

Omega 3 is most commonly associated with the oils found in fish. Best known sources are mackerel, trout and salmon although the oils can be extracted from white fish; and the liver of the Cod is particularly rich as well. The American Heart Association recommends a daily intake of 1000 mg. of Omega-3 for measurable health benefits in cardiovascular care. There are various ways of including Omega 3's in your diet so you need not worry if you are not a big fan of fish.

Sources of Omega-3's

The most obvious method, eating suitable fish regularly, isn't practical for everybody, as again - not everyone enjoys fish, some people are even allergic to it and, of course, vegetarians and vegans don't eat fish. Fortunately there are a wide range of supplements on the market for those people.

One of the most important questions anyone can ask these days for their health is: what is the proper ratio of omega-3 to omega-6 oils?

Omega 3 fatty acids are not restricted to fish oils - they can also be found in a number of plant extracts as well. The best source of Omega-3 is alpha-linolenic acid (ALA) which includes flaxseed (linseed) oil, rapeseed (canola) oil, chia seeds, walnuts and walnut oil, the Mediterranean plant, purslane, grass-reared meat, and dark green leafy vegetables. These items are widely found in health food stores and in natural health markets.

In short, the ratio of omega-3 to omega-6 oils is way off kilter for optimal health.

Omega 3's can also be found in a wide range of other foods including vegetables and processed foods; however, the levels are negligible and provide no significant health benefits. Vegetarian Omega-3 supplements are available, usually as flaxseed (linseed) oil.

EPA and DHA Omega 3 are found almost exclusively in aquatic plants and animals. They are synthesized by phytoplankton, which are consumed by fish, mollusks and crustaceans and thus concentrated in the aquatic food chain.



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