omega-3adj.n.

Brit.

/ˌəʊmᵻɡəˈθriː/, U.S.

/oʊˌmeɪɡəˈθri/,

/oʊˌmɛɡəˈθri/

Forms: 1900s– omega-3, 1900s– ω-3.

Origin: Formed within English, by compounding. Etymons: omega n., three adj. and n.

Etymology: < omega n. + three adj. and n., ω being the symbol of the terminal carbon atom in a fatty acid molecule.Written with numerical symbol for the second element and sometimes also with the Greek letter symbol ω for the first.

Biochemistry.

A. adj.

Designating unsaturated fatty acids whose molecules have a double bond between the carbon atoms that are third and second from the end of the hydrocarbon chain. Also written ω-3.Such acids are found especially in fish oils.

ΚΠ

1967 Jrnl. Nutrition 92 93/2 The purpose of this study was to determine the effect of ω3 acids on the growth and development of rainbow fingerlings.

1979 Lancet 1 Sept. 433 A high consumption of ω-3 polyunsaturated fatty acids (such as cis 5, 8, 11, 14, 17-eicosapentaenoic acid (C20:5)) by Eskimos increased the proportion of ω-3 polyunsaturated fatty acids in the platelets.

1989 Food & Wine Apr. 150/3 Even better documented are the nutritional gains to be had from fish—particularly the cardiovascular benefits of omega-3 fatty acids.

1996 Independent 29 Oct. ii. 11/3 The optimum dose of omega-3 oil is thought to be about 800mg a day.

2000 Daily Tel. 26 Apr. 21/1 Omega-3 fish oil supplements have been shown to improve painful periods in teenage girls.

B. n.

An omega-three fatty acid.

ΚΠ

1989 Food & Wine Apr. 150/4 Fish convert the omega-3s from algae and other vegetation into EPA and DHA.

1993 New Scientist 2 Oct. 30/1 Blood samples showed the highest levels of a polyunsaturated fat called omega-3, found enriched in fish oil.

1998 BBC Vegetarian Good Food Sept. 96/1 Omega-3s are found in oily fish, eggs, soya oil,..and dark green vegetables.

2000 Pets Mar. 54/1 Health food stores stock a variety of fatty acids, but you should ask your vet to recommend one that contains the proper mix of omega-3's and omega-6's.

This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	omega-3
释义	omega-3adj.n. Brit. /ˌəʊmᵻɡəˈθriː/, U.S. /oʊˌmeɪɡəˈθri/, /oʊˌmɛɡəˈθri/ Forms: 1900s– omega-3, 1900s– ω-3. Origin: Formed within English, by compounding. Etymons: omega n., three adj. and n. Etymology: < omega n. + three adj. and n., ω being the symbol of the terminal carbon atom in a fatty acid molecule.Written with numerical symbol for the second element and sometimes also with the Greek letter symbol ω for the first. Biochemistry. A. adj. Designating unsaturated fatty acids whose molecules have a double bond between the carbon atoms that are third and second from the end of the hydrocarbon chain. Also written ω-3.Such acids are found especially in fish oils. ΚΠ 1967 Jrnl. Nutrition 92 93/2 The purpose of this study was to determine the effect of ω3 acids on the growth and development of rainbow fingerlings. 1979 Lancet 1 Sept. 433 A high consumption of ω-3 polyunsaturated fatty acids (such as cis 5, 8, 11, 14, 17-eicosapentaenoic acid (C20:5)) by Eskimos increased the proportion of ω-3 polyunsaturated fatty acids in the platelets. 1989 Food & Wine Apr. 150/3 Even better documented are the nutritional gains to be had from fish—particularly the cardiovascular benefits of omega-3 fatty acids. 1996 Independent 29 Oct. ii. 11/3 The optimum dose of omega-3 oil is thought to be about 800mg a day. 2000 Daily Tel. 26 Apr. 21/1 Omega-3 fish oil supplements have been shown to improve painful periods in teenage girls. B. n. An omega-three fatty acid. ΚΠ 1989 Food & Wine Apr. 150/4 Fish convert the omega-3s from algae and other vegetation into EPA and DHA. 1993 New Scientist 2 Oct. 30/1 Blood samples showed the highest levels of a polyunsaturated fat called omega-3, found enriched in fish oil. 1998 BBC Vegetarian Good Food Sept. 96/1 Omega-3s are found in oily fish, eggs, soya oil,..and dark green vegetables. 2000 Pets Mar. 54/1 Health food stores stock a variety of fatty acids, but you should ask your vet to recommend one that contains the proper mix of omega-3's and omega-6's. This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.n.1967
随便看	keep sanctuary keep school keep schools keep secret keep sentinel keep sentry keep sheep by moonlight keep shop keep shtum keep silence keep snug keep someone hopping keep someone quiet keep someone straight keep someone sweet keep something alive keep something dark keep something hopping keep something in the family keep something on lock keep something quiet keep something under one's hat keep state keep station keep stead