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Topic: Saturated fatty acid


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  Healthopedia.com - Saturated Fat (Saturated Fatty Acid)
Diets high in fat, especially saturated fat, are linked to high blood cholesterol levels and heart disease.
Saturated fat is found primarily in animal foods.
Small amounts of saturated fat are not harmful, but too much can increase blood cholesterol levels in some people.
www.healthopedia.com /saturated-fat   (768 words)

  
  fatty acid structure
Fatty acid methyl and ethyl esters are known to be present in the plasma of patient with liver dysfunction following ethanol ingestion (Aleryani SL et al., Clin Chim Acta 2005, 359, 141).
Fatty acids with 4 to 12 carbon atoms are found mainly in milk fats (mainly butyric acid in cow and decanoic acid in sheep) but those with 10 and 12 carbon atoms are found also in certain seed oils such as coconut and other kernel fats of the palm family.
Saturated fatty acids were shown to be the major constituents of adipocere (similar to "adipocire" studied by Chevreul), the white and soap-like decomposition product which forms due to the post-mortem conversion of body adipose tissue (Pfeiffer S et al., J Forensic Sci 1998, 43, 368).
www.cyberlipid.org /fa/acid0001.htm   (4144 words)

  
 AHA
Saturated fatty acids are the main dietary culprit in raising blood cholesterol.
A fatty acid molecule consists of a chain of carbon atoms in carbon-carbon double bonds with hydrogen atoms "attached." In nature most unsaturated fatty acids are cis fatty acids, meaning the hydrogen atoms are on the same side of the double carbon bond.
Common sources of polyunsaturated fatty acids are safflower, sesame and sunflower seeds, corn and soybeans, many nuts and seeds and their oils.
www.deliciousdecisions.org /ee/wbd_acids_def.html   (879 words)

  
 Lipids   (Site not responding. Last check: 2007-10-28)
Fatty acids are organic acids, particularly ones consisting of not branched chains of carbon.
H H H H H H H H H OH Fatty acids are amphipathic molecules with the hydrocarbon tail serving as hydrophobic region and the carboxy group (-COOH) serving as a hydrophilic region.
The presence of double bonds implies that the carbon chain of a fatty acid is not saturated with hydrogen atoms.
www.mansfield.ohio-state.edu /~sabedon/biol1030.htm   (2049 words)

  
 Fatty acid - Wikipedia, the free encyclopedia
Carboxylic acids as short as butyric acid (4 carbon atoms) are considered to be fatty acids, while fatty acids derived from natural fats and oils may be assumed to have at least 8 carbon atoms, e.g.
Industrially, fatty acids are produced by the hydrolysis of the ester linkages in a fat or biological oil (both of which are triglycerides), with the removal of glycerol.
Linoleic acid and arachidonic acid are omega-6 fatty acids.
en.wikipedia.org /wiki/Fatty_acid   (1837 words)

  
 [No title]
Saturated, monounsaturated and polyunsaturated are terms that are almost impossible to avoid these days as nutritionists and dietitians give advice on how to improve our health by changing what we eat.
A fatty acid in which all of the carbons are bonded by single bonds is a saturated fatty acid.
Saturated fatty acids and unsaturated fatty acids are metabolized and used differently in the body.
www.medicinalfoodnews.com /vol01/issue7/sat_fat.htm   (926 words)

  
 TRANS FATTY ACIDS | Talksoy.com
This causes the fatty acid to be a straighter chain, more like the straight chain of a saturated fatty acid than like either a monounsaturated or polyunsaturated fatty acid, which have bends in the chain where the carbon atoms have only one hydrogen bonded to them instead of two.
Nature makes most mono- and polyunsaturated fatty acids in the cis form, meaning that the hydrogens that are bonded to the carbon atoms at the point of unsaturation are on the same side of the carbon chain.
The trans fatty acid levels in partially hydrogenated vegetable shortening used for baking and frying range from 14 to 18 percent, down from the 25 percent plus levels common in previous generations of shortenings.
www.talksoy.com /Health/tTransfattyAcids.htm   (1724 words)

  
 Dietary Fats & Fat Replacers
Saturated and unsaturated fats are designated by the presence of double bonds within the chain of carbon atoms in the fatty acid.
However, one saturated fatty acid that has gotten a lot of attention is stearic acid, found primarily in cocoa butter and animal fat, which is found to have a neutral effect on blood cholesterol.
Consumption of certain fatty acids are encouraged because of their positive health effects, which are explored in-depth in the Functional Foods section of IFIC.org.
www.ific.org /nutrition/fats   (2987 words)

  
 Emulsifier composition and quality improvement method for starch containing foods - Patent 4363826
In the composition according to the present invention, the number of carbon atoms for the saturated fatty acid moiety is in the range of 12-22, and that for the cis-type unsaturated fatty acid moiety is in the range of 16-22.
As indicated above, the suitable percentages of saturated fatty acid monoglyceride and of cis-type unsaturated fatty acid monoglyceride are 65-85% for the former and 35-15% for the latter.
Accordingly, if the raw material of fatty acid in the unsaturated fatty acid monoglyceride is partially hydrogenated oil and fat or partially hydrogenated fatty acid, it is presumed that there is a case wherein the mixture of the unsaturated fatty acid monoglyceride and the saturated fatty acid monoglyceride forms a solid solution.
www.freepatentsonline.com /4363826.html   (4274 words)

  
 Webdietitian: Cardiovascular Nutrition for Consumers   (Site not responding. Last check: 2007-10-28)
Saturated fatty acids are fatty acids with no double bonds (see fatty acids for a visual image of a saturated fatty acid).
Saturated fatty acids are the primary and most potent determinants of blood cholesterol, acting to increase it.
The specific fatty acids that raise LDL-cholesterol the most are myristic (C14:0) and lauric (C12:0) found in butterfat and in tropical oils (coconut and palm kernel oil).
www.webdietitian.com /document/CVTopic/topic/pencvsaturatedfattyacids   (416 words)

  
 Trans Fatty Acids
All fatty acids are chains of carbon atoms with hydrogen atoms attached to the carbon atoms.
Saturated fatty acids are found in foods from animals (meat and whole-milk dairy products) and in coconut, palm, and palm kernel oils, and cocoa butter.
Polyunsaturated fatty acids are found in safflower, sesame, sunflower, corn and soybean oils, fatty fish (salmon, mackerel, smelt, herring and trout), and some nuts (walnuts) and seeds.
www.americanheart.org /presenter.jhtml?identifier=3030450   (1730 words)

  
 Magnetic recording medium - Patent 4420540
A magnetic recording medium, as claimed in claim 4, wherein the branched saturated fatty acid is present in an amount of 0.5 to 5 wt% based on the amount of the ferromagnetic powder.
However, these linear fatty acids such as linear saturated fatty acids (e.g., lauric acid, myristic acid or stearic acid) which are added to a magnetic recording layer are often separated from the layer and come out as a white powder on the surface of the magnetic recording layer.
The branched saturated fatty acids are used in an amount of about 0.1 to about 10 wt%, preferably 0.5 to 5 wt% based on the amount of ferromagnetic powder.
www.freepatentsonline.com /4420540.html   (2695 words)

  
 Fatty Acids -- Classification of Fatty Acids   (Site not responding. Last check: 2007-10-28)
One system of fatty acid classification is based on the number of double bonds.
Oleic acid is a typical monounsaturated fatty acid.
Linoleic acid is a typical polyunsaturated fatty acid.
www-medlib.med.utah.edu /NetBiochem/FattyAcids/3_3.html   (64 words)

  
 Diagnose-Me: Saturated Fatty Acid
A saturated fatty acid has the maximum possible number of hydrogen atoms attached to every carbon atom.
It is said to be "saturated" with hydrogen atoms and at room temperature is a solid.
Saturated fatty acids are mostly found in animal products such as meat and whole milk.
www.diagnose-me.com /glossary/G1411.html   (100 words)

  
 Saturated fatty acid intake
This newly formed configuration of fatty acids is referred to as "trans", meaning "on the other side of." The position of a double-carbon bond within the fat molecule also may be changed.
Omega-3 fatty acids are a class of polyunsaturated fatty acids that includes alpha-linolenic acid, found in walnuts, soy and canola and eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), both found primarily in fish and fish oils.
Conjugated linoleic acid, which is produced from linoleic acid by rumen bacteria and consequently is found in dairy foods and ruminant meats such as beef, has received considerable attention for its potential to inhibit tumor incidence in animals compared to its parent fatty acid.
chemo.net /newpage46.htm   (4919 words)

  
 Saturated fat - Wikipedia, the free encyclopedia
The higher saturated fats such as coconut oil and cow butter are more solid at room temperature, are more stable during cooking, and have longer shelf lives than oils such as olive oil or other liquid vegetable oils.
Critics of saturated fat can counter that the health benefits of these foods might stem not from their saturated fat content, but rather their high levels of mono- and polyunsaturated fat.
Studies suggesting replacing saturated fats with unsaturated fats to increase the ratio of HDL to LDL serum cholesterol, have to be analysed within the concept of processed/damaged/oxidised/Trans-shaped versus naturally found/undamaged saturated fats, since saturated fat is extremely stable and easily withstands cooking/roasting heats, they resist oxidation and can be stored the longest.
en.wikipedia.org /wiki/Saturated_fatty_acid   (852 words)

  
 Fatty Acids, AO1
Saturated fatty acids (the building blocks of saturated fat) have no double bonds (a particular kind of chemical link between adjoining molecules) and this lack of double bonds means that there are no gaps in the fatty acid chain: it is packed with CH molecules.
Unsaturated fatty acids (the building blocks of unsaturated fat), on the other hand, have double bonds and these double bonds break up the string of CH ´s and create gaps within the fatty acid chain.
When these tightly packed saturated fatty acids enter the bloodstream, they increase levels of "bad" cholesterol known as low-density lipoprotein (LDL) cholesterol and clog arteries.
www.stanford.edu /group/hopes/treatmts/fatty/ao1.html   (439 words)

  
 Fats explained
Fatty acids are molecules that contain carbon atoms bonded to other carbon atoms, and if all of these carbon - carbon bonds in the fatty acid are single bonds then the carbons atoms are said to be saturated and the fatty acid termed a saturated fatty acid.
Saturated fat is harmful - it is a major risk factor for heart attacks and strokes.
If the body lacks sufficient amounts of polyunsaturated fatty acids to use in cell formation, saturated fatty acids are used instead, especially if they're high in the diet.
www.everydiet.org /articles/fats.htm   (500 words)

  
 Fatty Acids
Fatty acids are merely carboxylic acids with long hydrocarbon chains.
The melting points for the saturated fatty acids follow the boiling point principle observed previously.
The tetrahedral bond angles on carbon results in a molecular geometry for saturated fatty acids that is relatively linear although with zigzags.
www.elmhurst.edu /~chm/vchembook/551fattyacids.html   (455 words)

  
 Fatty acid composition and...   (Site not responding. Last check: 2007-10-28)
The reason why SFA concentrations are increased in type 2 diabetes is unclear, because the estimated rate of elongation, desaturation of FFA and dietary intake with de novo lipogenesis seems to be identical to that in non-diabetics.
A possible explanation for the increased SFA may be that it is caused by decreased oxidation.
Although aberrant plasma SFA accumulation is unlikely to account entirely for the diverse array of defects found in hepatic glucose handling, the findings presented in this article implicate SFA as a potentially important mediator of the deleterious effects of increased EGP in type 2 diabetes.
www.medforum.nl /idm/fatty_acid_composition_and___.htm   (442 words)

  
 Title of Invention: Production of improved rapeseed exhibiting a reduced saturated fatty acid content
For the purposes of the present invention the saturated fatty acid content of a given rapeseed is determined by a standard procedure wherein the oil is removed from the rapeseeds by crushing the seeds and is extracted as fatty acid methyl esters following reaction with methanol and sodium hydroxide.
The desired saturated fatty acid content in the form of stearic and palmitic acids in the vegetable oil may range from 2.5 to 4 percent by weight, and preferably from 2.5 to 3.5 percent by weight based upon the total fatty acid content.
A method for lowering the palmitic and stearic saturated fatty acid content of rapeseeds according to claim 34 wherein during step (a) a rapeseed seed having a moisture content of approximately 5 to 6 percent by weight is subjected to approximately 60 to 200 Krad.
www.nal.usda.gov /bic/Biotech_Patents/1995patents/05387758.html   (8869 words)

  
 Fatty Acid Synthesis
The CO is lost later during condensation with the growing fatty acid.
When the fatty acid is 16 carbon atoms long, a Thioesterase domain catalyzes hydrolysis of the thioester linking the fatty acid to phosphopantetheine.
Fatty acids esterified to coenzyme A are substrates for the
www.rpi.edu /dept/bcbp/molbiochem/MBWeb/mb2/part1/fasynthesis.htm   (1053 words)

  
 The Importance of Saturated Fats for Biological Functions
The saturated fatty acids that play important roles in these processes are the 16-carbon palmitic acid, the 14-carbon myristic acid and the 12-carbon lauric acid.
When researchers looked at the fatty acid composition of the phospholipids in the T-cells (white blood cells), from both young and old donors, they found that a loss of saturated fatty acids in the lymphocytes was responsible for age-related declines in white blood cell function.
Stearic acid is the 18-carbon saturated fatty acid.
www.westonaprice.org /knowyourfats/import_sat_fat.html   (924 words)

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