omega-3
Definition
- Noun:
- A type of polyunsaturated fatty acid: A fatty acid where the first double bond in its carbon chain is located three carbon atoms away from the methyl end (the "omega" end) of the molecule. It is considered an essential nutrient for human health.
Usage
- Noun: Used to refer to a category of essential fatty acids that the body cannot produce on its own and must obtain from food. They are often discussed in the context of nutrition, heart health, and brain function.
- Omega-3 is commonly found in fish oil.
- A diet rich in omega-3 is beneficial.
Examples
- Noun:
- Salmon is an excellent source of omega-3.
- Many people take supplements to increase their omega-3 intake.
- Studies suggest that omega-3 may help reduce inflammation.
Advanced Usage
- "Omega-3 fatty acids": The full, more precise scientific term for this nutrient category.
- Omega-3 fatty acids include EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).
Variants and Related Words
- Omega-6 (n): Another class of essential polyunsaturated fatty acids, often discussed in contrast with omega-3 regarding dietary balance.
- Polyunsaturated fat (n): The broader category of fats to which omega-3 belongs.
- EPA (n): Eicosapentaenoic acid, a specific type of omega-3 fatty acid.
- DHA (n): Docosahexaenoic acid, a specific type of omega-3 fatty acid.
Synonyms
- n-3 fatty acid: A synonymous scientific designation.
- ω-3 fatty acid: An alternative symbolic notation.
Related Phrases
- "Omega-3 content": Refers to the amount of omega-3 in a food or supplement.
- Check the label for the omega-3 content.
- "High in omega-3": A description for foods rich in this nutrient.
- Mackerel is a fish that is high in omega-3.
Noun
-
a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning
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