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  1. omega 3 6 9功效 - 購物搜尋結果

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  3. en.wikipedia.org › wiki › Omega-3_fatty_acidOmega-3 fatty acid - Wikipedia

    Chemical structure of α-linolenic acid (ALA), a fatty acid with a chain of 18 carbons with three double bonds on carbons numbered 9, 12, and 15. The omega (ω) end of the chain is at carbon 18, and the double bond closest to the omega carbon begins at carbon 15 = 18−3. Hence, ALA is a ω− 3 fatty acid with ω = 18.

  4. en.wikipedia.org › wiki › List_of_omega-3_fatty_acidsList of omega-3 fatty acids - Wikipedia

    Omega−3 fatty acids are important for normal metabolism. [2] Mammals are unable to synthesize omega−3 fatty acids, but can obtain the shorter-chain omega−3 fatty acid ALA (18 carbons and 3 double bonds) through diet and use it to form the more important long-chain omega−3 fatty acids, EPA (20 carbons and 5 double bonds) and then from EPA, the most crucial, DHA (22 carbons and 6 double ...

  5. en.wikipedia.org › wiki › Essential_fatty_acid_interactionsEssential fatty acid interactions - Wikipedia

    • Eicosanoid Series Nomenclature
    • Arachidonic Acid Cascade in Inflammation
    • The Arachidonic Acid Cascade in The Central Nervous System
    • Further Discussion
    • See Also

    Eicosanoids are signaling molecules derived from the essential fatty acids (EFAs). They are a major pathway by which the EFAs act in the body. There are four classes of eicosanoid and two or three series within each class. The plasma membranes of cells contain phospholipids, composed of a hydrophilic phosphate head and two hydrophobic fatty acid ta...

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    In the arachidonic acid cascade, dietary linoleic acid (18:2 ω-6) is desaturated and elongated to form arachidonic acid (and other omega-6 acids), which is then esterified into a phospholipid in the cell membrane. Next, in response to many inflammatory stimuli, such as air pollution, smoking, second-hand smoke, hydrogenated vegetable oils, and othe...

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    The arachidonic acid cascade proceeds somewhat differently in the central nervous system (CNS). Neurohormones, neuromodulators, or neurotransmitters act as first messengers. They activate phospholipids to release AA from neuron cell membranes as a free fatty acid.[citation needed] During its short lifespan, free AA may affect the activity of the ne...

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    Figure 2 shows two pathways from EPA to DHA, including the exceptional Sprecher's shunt. 5-LO acts at the fifth carbon from the carboxyl group.Other lipoxygenases—8-LO, 12-LO, and 15-LO—make other eicosanoid-like products.To act, 5-LO uses the nuclear-membrane enzyme 5-lipoxygenase-activating protein (FLAP), first to a hydroperoxyeicosatetraenoic a...

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    Essential fatty acid
    Omega-3 fatty acid
    Omega-6 fatty acid
    Fatty acid ratio in food

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  6. en.wikipedia.org › wiki › Fish_oilFish oil - Wikipedia

    Fish oil is oil derived from the tissues of oily fish. Fish oils contain the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), precursors of certain eicosanoids that are known to reduce inflammation in the body and improve hypertriglyceridemia.

  7. en.wikipedia.org › wiki › Fatty_acid_ratio_in_foodFatty acid ratio in food - Wikipedia

    Fatty acid ratio in food. Only two essential fatty acids are known to be essential for humans: alpha-linolenic acid (an omega-3 fatty acid) and linoleic acid (an omega-6 fatty acid ). [1] The biological effects of the ω-3 and ω-6 fatty acids are mediated by their mutual interactions.

  8. en.wikipedia.org › wiki › Omega-3_carboxylic_acidsOmega-3 carboxylic acids - Wikipedia

    Omega-3 carboxylic acids [1] ( Epanova) is a formerly marketed yet still not an Food And Drug Administration (FDA) approved prescription medication–since taken off market by the manufacturer–used alongside a low fat and low cholesterol diet that lowers high triglyceride (fat) levels in adults with very high levels. [2]

  9. en.wikipedia.org › wiki › Omega-3_acid_ethyl_estersOmega-3 acid ethyl esters - Wikipedia

    D05255. Omega-3-acid ethyl esters are a mixture of ethyl eicosapentaenoic acid and ethyl docosahexaenoic acid, which are ethyl esters of the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) found in fish oil. [3] Together with dietary changes, they are used to treat high blood triglycerides which may reduce the ...