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erucic acid
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A monounsaturated omega-9 fatty acid (22:1ω9). It has the chemical formula of CH3(CH2)7CH=CH(CH2)11COOH.
It is present at high concentrations mainly in the seeds of species of the Brassicaceae.
(Examples of plants that contain erucic acid in the seeds)
• rapeseed (oilseed rape): The concentrations ranges 20-54%.
• mustard plant: The concentrations ranges 42-44%.
• wallflower (Erysimum cheiri)
• jojoba (Simmondsia chinensis)
Cruciferous vegetables:
• kale
• cabbage
• turnip
(Comparison)
• rapeseed oil: Often added to animal feeds. Contains high levels of erucic acid, which may damage the cardiac tissues of experimental animals when ingested in excess amounts.
• canola oil: A common cooking oil. Contains low levels of erucic acid (less than 2% of the total fatty acids) and high levels of unsaturated fats (e.g. linoleic acid (omega-6 fatty acid), α-linolenic acid (omega-3 fatty acid)), which are essential fatty acids that human body is unable to produce. The canola plant is a varietal of the rapeseed plant, developed from its natural crossbreeding. Hence, its oil (canola oil) is extracted from its seeds after a series of purifying processes, which makes it different from rapeseed oil.
(Stereoisomers)
• cis-13-docosenoic acid: erucic acid
• trans-13-docosenoic acid: brassidic acid
Cf. erucamide
It is present at high concentrations mainly in the seeds of species of the Brassicaceae.
(Examples of plants that contain erucic acid in the seeds)
• rapeseed (oilseed rape): The concentrations ranges 20-54%.
• mustard plant: The concentrations ranges 42-44%.
• wallflower (Erysimum cheiri)
• jojoba (Simmondsia chinensis)
Cruciferous vegetables:
• kale
• cabbage
• turnip
(Comparison)
• rapeseed oil: Often added to animal feeds. Contains high levels of erucic acid, which may damage the cardiac tissues of experimental animals when ingested in excess amounts.
• canola oil: A common cooking oil. Contains low levels of erucic acid (less than 2% of the total fatty acids) and high levels of unsaturated fats (e.g. linoleic acid (omega-6 fatty acid), α-linolenic acid (omega-3 fatty acid)), which are essential fatty acids that human body is unable to produce. The canola plant is a varietal of the rapeseed plant, developed from its natural crossbreeding. Hence, its oil (canola oil) is extracted from its seeds after a series of purifying processes, which makes it different from rapeseed oil.
(Stereoisomers)
• cis-13-docosenoic acid: erucic acid
• trans-13-docosenoic acid: brassidic acid
Cf. erucamide
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