Omega-3
Omega-3 fatty acids
Omega-3 fatty acids (pronunciation: /oʊˈmeɪɡə-3 ˈfæti ˈæsɪdz/) are a type of polyunsaturated fat that is essential for human health. The term "omega-3" refers to the position of the final double bond in the chemical structure of these fats, which is three carbon atoms from the "omega" or tail end of the molecule.
Etymology
The term "omega-3" is derived from the Greek letter "omega" and the number "3", indicating the position of the final double bond in the chemical structure of these fats.
Types of Omega-3 Fatty Acids
There are three main types of omega-3 fatty acids:
- Alpha-linolenic acid (ALA): This is a short-chain omega-3 fatty acid that is primarily found in plant-based foods like flaxseeds, chia seeds, and walnuts.
- Eicosapentaenoic acid (EPA): This is a long-chain omega-3 fatty acid that is primarily found in fatty fish and seafood.
- Docosahexaenoic acid (DHA): This is a long-chain omega-3 fatty acid that is primarily found in fatty fish and seafood.
Health Benefits
Omega-3 fatty acids have been associated with a number of health benefits, including reducing inflammation, improving heart health, and supporting brain health.
Related Terms
- Polyunsaturated fat
- Alpha-linolenic acid
- Eicosapentaenoic acid
- Docosahexaenoic acid
- Inflammation
- Heart health
- Brain health
External links
- Medical encyclopedia article on Omega-3
- Wikipedia's article - Omega-3
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