Polyunsaturated aldehydes (PUAs) are a group of allelopathic chemicals typically associated with diatom-copepod predator-prey interactions.[1] These compounds are classified by an aldehyde group covalently bound to long carbon chains containing two or more carbon-carbon double bonds. Examples include isomers of heptadienal, octadienal, octatrienal, and decatrienal.[2]
^Miller, Charles B. Biological Oceanography. Malden, MA: Blackwell Pub., 2004. Print.
^Solomons, T. W. Graham., and Craig B. Fryhle (2008). Organic Chemistry. Hoboken, NJ: John Wiley.{{cite book}}: CS1 maint: multiple names: authors list (link)
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formation of polyunsaturated fatty acids. The enzyme lipoxygenase then catalyzes the reaction of fatty acids to polyunsaturatedaldehydes, which are then...
In biochemistry and nutrition, a polyunsaturated fat is a fat that contains a polyunsaturated fatty acid (abbreviated PUFA), which is a subclass of fatty...
Aldehyde dehydrogenases (EC 1.2.1.3) are a group of enzymes that catalyse the oxidation of aldehydes. They convert aldehydes (R–C(=O)–H) to carboxylic...
Fatty aldehydes are aliphatic, long-chain aldehydes which may be mono- or polyunsaturated. The fatty aldehydes include compounds such as octanal, nonanal...
Reactive oxygen species degrade polyunsaturated lipids, forming malondialdehyde. This compound is a reactive aldehyde and is one of the many reactive...
Retrieved 23 June 2022. Sartori, D.; Gaion, A. (2015). "Toxicity of polyunsaturatedaldehydes of diatoms to Indo-Pacific bioindicator organism Echinometra mathaei"...
Aldehyde dehydrogenase, mitochondrial is an enzyme that in humans is encoded by the ALDH2 gene located on chromosome 12. ALDH2 belongs to the aldehyde...
copepods that fed on diatoms containing polyunsaturatedaldehydes. When ingested by copepods, these aldehydes appear to arrest embryonic development....
emollient. Sunflower oil is primarily composed of linoleic acid, a polyunsaturated fat, and oleic acid, a monounsaturated fat. Through selective breeding...
tea-oil camellia. Polyunsaturated fatty acids can be found mostly in nuts, seeds, fish, seed oils, and oysters. Food sources of polyunsaturated fats include:...
; Pohnert, G. (2008-07-16). "Growth phase-specific release of polyunsaturatedaldehydes by the diatom Skeletonema marinoi". Journal of Plankton Research...
unsaturated groups is long but some common types are: carbonyl, e.g. ketones, aldehydes, esters, carboxylic acids (unsaturated) vs alcohol or ether (saturated)...
species (ROS), interact with lipids within cell membranes, typically polyunsaturated fatty acids (PUFAs) as they have carbon–carbon double bonds. This reaction...
recommends much higher levels of fat, especially of monounsaturated and polyunsaturated fat. These dietary recommendations reach a consensus, though, against...
Peanut oil is 17% saturated fat, 46% monounsaturated fat, and 32% polyunsaturated fat (table). If quality control is neglected, peanuts that contain...
consists of 70% unsaturated fatty acids (18% monounsaturated, and 52% polyunsaturated), 26% saturated fatty acids. When it is fully hydrogenated, its profile...
49% of the weight of hempseed is an edible oil that contains 76% as polyunsaturated fat, including omega-6 fatty acids such as linoleic acid (LA, 54%)...
acid hydroperoxides, epoxy-hydroxy polyunsaturated fatty acids, jasmonates, divinylether fatty acids, and leaf aldehydes. Some of these derivatives are signallng...
that mammalian cell membranes are composed of a higher proportion of polyunsaturated fatty acids (DHA, omega-3 fatty acid) than reptiles. Studies on bird...
acid hydroperoxides, epoxy-hydroxy polyunsaturated fatty acids, jasmonates, divinylether fatty acids, and leaf aldehydes. Some of these derivatives are signallng...
composition similar to that of peanut oil, with 38% monounsaturated, 37% polyunsaturated, and 25% saturated fatty acids. A component of rice bran oil is the...
release superoxide radicals and induce the oxidation of polyunsaturated fatty acids to toxic aldehyde products like 4-hydroxynonenal (HNE).[citation needed]...
associated with higher mortality and that replacement of saturated fat with polyunsaturated fat decreases risk of cardiovascular disease events and mortality....
goods, and other products like margarine. Vegetable oils are made from polyunsaturated fatty acids (having more than one carbon-carbon double bond). Hydrogenation...
They belong to the cytochrome P450 enzyme family (CYP74C and CYP74B). Polyunsaturated fatty acids such as linolenic and linoleic acids are susceptible to...
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