polyunsaturated


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Related to polyunsaturated: polyunsaturated fatty acids

polyunsaturated

 [pol″e-un-sach´er-a-ted]
denoting a fatty acid, e.g., linoleic acid, having more than one double bond in its hydrocarbon chain.

polyunsaturated

/poly·un·sat·u·rat·ed/ (-un-sach´er-āt-ed) denoting a chemical compound, particularly a fatty acid, having two or more double or triple bonds in its hydrocarbon chain.

polyunsaturated

(pŏl′ē-ŭn-săch′ə-rā′tĭd)
adj.
Of or relating to long-chain carbon compounds, especially fatty acids, having two or more double bonds between the carbon atoms. Increasing dietary intake of foods containing polyunsaturated fatty acids, including safflower, sunflower, soybean, and corn oils and cold-water fish such as salmon, can decrease LDL cholesterol levels in the bloodstream.

polyunsaturated

[-unsach′ərā′tid]
Etymology: Gk, polys, many; AS, un, not; L, saturare, to fill
pertaining to a chemical compound containing more than one double or triple bond that can be opened to accept more atoms into the molecule, thereby making the compound saturated. A polyunsaturated fatty acid is one in which there are two or more double bonds in the chain of carbon atoms that can be opened to accept hydrogen atoms.

polyunsaturated

Pertaining to long chain carbon compounds, especially fatty acids, that contain more than one carbon to carbon double bonds (unsaturated bonds).

polyunsaturated

(of FAT and FATTY ACIDS) having more than one carbon-carbon(C==C) double-bond in the HYDROCARBON chain.

polyunsaturated,

n a chemical compound that comprises at least one double or triple bond. Vegetable oils and some vitamins are polyunsaturated.

polyunsaturated

denoting a fatty acid, e.g. linoleic acid, having more than one double bond in its hydrocarbon chain.

polyunsaturated fatty acids
see fatty acids.
References in periodicals archive ?
The effects of hydrogel particle encapsulation on the physical location, chemical stability and lipase digestibility of emulsified polyunsaturated lipids--fish oil--were investigated.
Dairy Fresh Farms' focus is its patented process for removing the saturated fat from milk and replacing it with "good polyunsaturated fat (Omega-3) and monounsaturated fat sourced from GMO Free Canola Oil.
And more importantly, by switching to NuSun sunflower oil, we are increasing heart-healthy and mono- and polyunsaturated fats in the diet.
Polyunsaturated fats include omega 3 and 6 are found in certain vegetable oils, fish and green leafy vegetables.
Chemically, these may be monounsaturated or polyunsaturated (a technical measure of how many hydrogen atoms their molecules can link to), both of which seem to lower blood cholesterol when substituted for saturated fats.
In further experiments, Blask's team determined that melatonin blocks cancer cells' metabolism of linoleic acid, a polyunsaturated fat that's abundant in food.
The fish association was not accounted for by cardiovascular-related conditions or fruit and vegetable consumption but was modified after adjustment for intakes of saturated, polyunsaturated and trans fats.
A new study by a group of Harvard researchers suggests that this advice, which could result in many pregnant women eliminating fish from their diets altogether, may be denying some babies substantial neurocognitive benefits gained from important nutrients found in fish, such as n-3 polyunsaturated fatty acids [EHP 113:1376-1380].
Omega-3 polyunsaturated fatty acids are important for development and growth and essential to brain and vision development during the final three months of pregnancy.
Limit your total fat intake to no more than 20 to 35 percent of your daily calories with most fats coming from polyunsaturated and monounsaturated fatty acids.
Researchers investigating the role of fatty acids in the aggressiveness of early-stage prostate cancer have found that higher concentrations of polyunsaturated fat are linked to less aggressive tumor growth.