Facts and Food Sources of Dihomo-γ-linolenic acid

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Dihomo-γ-linolenic acid is a 20-carbon ω−6 fatty acid which is named 20:3 (ω−6). It is a carboxylic acid having a 20-carbon chain and 3 cis double bonds. The first double bond is situated at the sixth carbon from omega end. It is an elongation product of γ-linolenic acid. Dihomo-gamma-linolenic acid is made in the body by elongation of GLA, by efficient enzyme which do not appear to suffer any form of dietary inhibition. Being an uncommon fatty acid, DGLA is found only in trace amounts in animal products.

Food Sources

Food name Weight (g) Dihomo-γ-linolenic acid (g)
Kielbasa 370 0.115
Turkey 863 0.052
Catfish 85 0.048
Cheddar cheese, 132 0.048
Swiss cheese 132 0.042
Queso fresco cheese 122 0.031
Sausage 87 0.030
Parmesan cheese 100 0.026
Mozzarella cheese 228 0.025
Chicken 85 0.023
Turkey 113 0.019
Pizza 164 0.016
Rainbow trout 79 0.016
Ricotta cheese 124 0.015
Spaghetti 246 0.012
Coleslaw 120 0.012
Hamburger 99 0.012
Plantains 118 0.012
Beef 85 0.008
Cream cheese 14.5 0.005

 

References:

https://en.wikipedia.org/wiki/Dihomo-%CE%B3-linolenic_acid

http://www.tuscany-diet.net/lipids/list-of-fatty-acids/gamma-linolenic/

 

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