Omega 3 Fatty Acids Sources
One review from a team at penn state university in 2016 gives an overview of these health benefits 1.
Omega 3 fatty acids sources. This full length review presents a broad and relatively complete. Omega 3 fatty acids one of the key building blocks of cell membranes have been of particular interest to scientists for many years. The most well known sources of omega 3 fatty acids include fish oil and fatty fish like salmon trout and tuna. The human body is capable of synthesising most fats but not in the case of omega 3 fatty acids.
These essential fatty acids can be obtained daily only through our diet. Oily fish seeds and nuts are among the best sources. 1 086 mg per tablespoon 14 3 grams or 6 786 mg per 3 5 ounces 100 grams 17 9. Some of the common plant oils have significant levels of ala e g 7 by weight in soybean oil 10 in canola oil and approximately 20 in hemp oil.
The overall ratio of omega 6 omega 3 fatty acids in the current north american diet ranges from 6 1 to approximately 10 1. Selected food sources of a linolenic acid ala are given in table 2. Omega 3 fatty acids interact inside your body in a variety of ways. Benefits of omega 3 fatty acids.
In this article we take a look at 15 omega 3 rich foods. Omega 3 fatty acids are essential nutrients. Omega 3 fatty acids fall under the category of polyunsaturated fatty acids pufa and the three main types include dha epa and ala. Fishmeal is a concentrated source of many nutrients including amino acids macro and micro minerals and lipids primarily in the omega 3 form.
Some are well understood while others are only beginning to be researched properly. However only a small group of the most important omega 3 polyunsaturated fatty acids are considered. While herbivores can thrive on vegetable diets the carnivorous fish have a nutritional requirement for amino acids and omega 3 fatty acids found in fish. Omega 3 fatty acids are a type of polyunsaturated fats with various health benefits including reducing the risk of heart disease reducing the risk and severity of dementia and alleviating inflammation in arthritis sufferers they are referred to as essential fats as they cannot be made in the body so have to be obtained through the diet.
The two major classes of polyunsaturated fatty acids pufas are the omega 3 and omega 6 fatty acids. For a reader friendly overview of omega 3 fatty acids see our consumer fact sheet on omega 3 fatty acids.