Noun
fatty acid- Any of a class of aliphatic carboxylic acids, of general formula CnH2n+1COOH, that occur combined with glycerol as animal or vegetable oils and fats. Only those with an even number of carbon atoms are normally found in natural fats
- Note: The above general formula applies to the saturated fatty acids. Remove 2 hydrogen atoms for an unsaturated fatty acid, and 2 hydrogen atoms for every double bond in a polyunsaturated faty acid.
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...In chemistry, especially biochemistry, a fatty acid is a carboxylic acid often with a long unbranched aliphatic tail (chain), which is either saturated or unsaturated. Carboxylic acids as short as butyric acid (4 carbon atoms) are considered to be fatty acids, whereas fatty acids derived from natural fats and oils may be assumed to have at least eight carbon atoms, caprylic acid (octanoic acid), for example. The most abundant natural fatty acids have an even number of carbon atoms because their biosynthesis involves acetyl-CoA, a coenzyme carrying a two-carbon-atom group (see fatty acid synthesis).
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. See oleochemicals. Read full entry
This entry is from Wikipedia,the leading user-contributed encyclopedia.It may not have been reviewed by professional editors(See full disclaimer)
- Gesundheit Marine Phytoplankton
- Pure Marine Phytoplankton. Protein, Minerals, Vitamins, Omega 3s.
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- 1.Fatty acid - Wikipedia, the free encyclopedia
- The most abundant natural fatty acids have an even number of carbon atoms ... Fatty acids are produced by the hydrolysis of the ester linkages in a fat or ...
- http://en.wikipedia.org/wiki/F
atty_acid
- 2.fatty acid: Definition from Answers.com
- fatty acid n. Any of a large group of monobasic acids, especially those found in animal and vegetable fats and oils, having the general formula C n H
- http://www.answers.com/topic/f
atty-acid
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What is predominately I got an assignment to do and
I have to classify my fat
source as containing
predominately saturated fatty
acids, monounsaturated fatty
acid or polyunsaturated acids.
Please help me on this im
going insane on this question.
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well saturated would be butter... If you are looking, just look at the back. It will at least have a specification of what percentage comes from saturated vs. unsaturated. |
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What kind of fatty acid makes Can someone tell me what kind
of fatty acid in soap makes it
harder and last longer?
thanks.
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Using KOH makes softer soaps. Using longer chain fatty acids should be harder soap. Using saturated fatty acids should be harder soap. Using softer water will make them last longer. |
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How many carbons per hydrogen How many carbons per hydrogen
are there in a saturated fatty
acid and a nonsaturated fatty
acid?
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A saturated fatty acid has no double bonds in the carbon chain, so in a straight chained fatty acid, there would be 3 hydrogens for the last carbon, 1 hydrogen for the carboxylic acid group (C=OOH), and 2 hydrogens for each of the other carbons. In branched fatty acids, this formula would still hold true but with some rearrangement. So the answer is two hydrogens for each carbon in the fatty acid chain An unsaturated fatty acid contains at least one carbon double bond. A polyunsaturated fattly acid contains more than one double bond, so the ratio of carbon to hydrogen would vary. Some examples of both: Saturated fatty acid Butyric Acid (4 carbons, 8 hydrogens) CH3CH2CH2(C=O)OH or C4H8O2 (Mono)-unnsaturated fatty acid (one double bond) Oleic Acid (cis-9-octadecenoic Acid) C18H34O2 (straight chain with the double bond between the ninth & tenth carbon) Polyunsaturated fatty acid (two or more double bonds) Linoleic Acid (two double bonds) (cis,cis-9,12-octadecenoic acid) C18H32O2 (straight chain with the double bonds between the 9th and 10th carbon and between the 12th & 13th carbon. There are other fatty acids which can have up to 5 double bonds, so for every double bond added, subtract 2 Hydrogens. Check out wikipedia.org for fatty acids. Hope this helps. |
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