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    Heneicosapentaenoic acid

    Heneicosapentaenoic acid Food Sources

    By EmilyFebruary 24, 2019Updated:April 19, 2019No Comments1 Min Read

    Heneicosapentaenoic acid is 21:5 n-3 fatty acid found in trace amounts in green alga B. pennata and in fish oils. The chemical composition resembles eicosapentaenoic acid except an elongated with one carbon on carbon on carboxyl end which place the first double bond in the Δ6 position. HPA is used to study influence of the position of double bonds in ω-3 fatty acids. It assimilates into phospholipids and into triacylglycerol in vivo having same efficiency as EPA and docosahexaenoic acid & exhibit strong inhibition of arachidonic acid synthesis from linoleic acid. It is a poor substrate for prostaglandin H synthase and 5-lipoxygenase but retains ability to rapidly inactivate PGHS.

    Food Sources

    Food name Weight (g) Heneicosapentaenoic acid (g)
    Red (sockeye) salmon 108 0.027

    References:

    https://www.caymanchem.com/product/10670

    Fat H
    Emily

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