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11Z-Eicosenoic acid, also known as gondoic acid, is a member of the class of compounds known as long-chain fatty acids. Long-chain fatty acids are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. 11Z-Eicosenoic acid is practically insoluble (in water) and a weakly acidic compound (based on its pKa). More specifically, 11Z-Eicosenoic acid is a monounsaturated omega-9 fatty acid found in a variety of nuts and plant oils. It is not produced by humans and comes from the diet. It has been found in the red blood cell membrane with increased concentrations in children with regressive autism (PMID: 16581239 ).

Paullinic acid is found in fats and oils. Paullinic acid is isolated from herring oil and rapeseed oil and from various Sapindacea

Prostanoic acid skeleton

Ethyl oleate is found in sweet marjoram. Ethyl oleate is a flavouring ingredient.Ethyl oleate is the ester formed by the condensation of the fatty acid oleic acid and ethanol. It is a colorless to light yellow liquid. Ethyl oleate is produced by the body during ethanol intoxication

Paullinic acid is found in fats and oils. Paullinic acid is isolated from herring oil and rapeseed oil and from various Sapindacea

6,8-Icosanedione is found in fats and oils. 6,8-Icosanedione is a constituent of the pollen of Helianthus annuus (sunflower)

5,7-Icosanedione is found in fats and oils. 5,7-Icosanedione is a constituent of the pollen of Helianthus annuus (sunflower)

4,6-Icosanedione is found in fats and oils. 4,6-Icosanedione is a constituent of the pollen of Helianthus annuus (sunflower)

Oleyl acetate is used as a food additive [EAFUS] ("EAFUS: Everything Added to Food in the United States. [http://www.eafus.com/]").

9Z-Eicosenoic acid, also known as gadoleic acid, is a member of the class of compounds known as long-chain fatty acids. Long-chain fatty acids are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. 9Z-Eicosenoic acid is practically insoluble (in water) and a weakly acidic compound (based on its pKa). 9Z-Eicosenoic acid can be found in a number of food items such as lemon, sugar, garlic, and mung bean, which makes 9Z-eicosenoic acid a potential biomarker for the consumption of these food products. 9Z-Eicosenoic acid can be found in feces, blood, and urine.

Ethyl octadec-9-enoate is a natural product found in Aristolochia grandiflora, Cinnamomum camphora, and other organisms with data available.

trans-gondoic acid

16-methyl-9E-nonadecenoic acid

6-methyl-9-heptadecenoic acid

17Z-eicosenoic acid

14Z-eicosenoic acid

13-eicosenoic acid