6.2. 0000140254 00000 n 0000064397 00000 n 0000041362 00000 n 192.
Nomenclature The systematic name for a fatty acid (FA) is derived from the name of its parent hydrocarbon by substitution of oic for the final e. For example, the C18 saturated FA is called octadecanoic acid.
Structure and nomenclature of fatty acids * * * * * * common name IUPAC name 18:0 stearate Octadecanoate 18:1 oleate cis- 9-Octadecenoate 18:2 linoleate cis,cis- 9,12-Octadecadienoate You must be able to draw the See Table 11.1 structure of those marked * Saturated FA - no C-C double bonds Unsaturated FA - at least one C-C double bond . %PDF-1.4 %���� 0000037389 00000 n The correct name for this group of carboxylic aliphatic acids (with or without any additional functions) is simply, fatty acids. 0000003582 00000 n
0000001717 00000 n
0000064286 00000 n 0000041796 00000 n
3. Fatty acids differ from each other in the number of C atoms, from 12-C to 24-C, and in the number of double bonds in the chain, from none to one, two, or three. 0000003327 00000 n 0000019118 00000 n 0000005327 00000 n The carbon atom next to the carboxyl group is called α carbon and the subsequent one the β carbon. 0000086315 00000 n
0000014355 00000 n 0000037213 00000 n 0000114608 00000 n 0000010789 00000 n Download as PDF. 1 Fatty acid structures also contain a methyl group at one end of the molecule (designated omega, ω ) and a carboxyl group at the other end. 0000006309 00000 n 140 61 0000028331 00000 n 0000070621 00000 n 0000003718 00000 n 0000005790 00000 n trailer <. 0000001516 00000 n 0000048993 00000 n 0000008929 00000 n 0000071134 00000 n In addition, fatty acids have a number of industrial uses. 0000034465 00000 n 0000003968 00000 n 2 Fig. 0000003854 00000 n
0000062605 00000 n Instead of an omega prefix, the prefix n- (i.e. 0000034395 00000 n 0000004316 00000 n 0000010767 00000 n
0000003446 00000 n
Apart from these systematic and common names a shorthand notation can be used. 0000058096 00000 n 0000007138 00000 n If it is a saturated fatty acid, then the omega nomenclature is not added to the end of the name. 0000062684 00000 n 0000002333 00000 n 0000007995 00000 n 0000008017 00000 n 0000000016 00000 n 0000003403 00000 n Lalit M. Srivastava, in Plant Growth and Development: Hormones and Environment, 2002. Structure and nomenclature of fatty acids. 0000058135 00000 n 0000016991 00000 n %PDF-1.5 %���� 0000041823 00000 n Fatty Acid Composition Varies Widely in Seed Oils. 0000011688 00000 n
0000033279 00000 n 0000041623 00000 n 0000004619 00000 n 0000008951 00000 n 0000013439 00000 n 0000004828 00000 n 0000012668 00000 n 0000077740 00000 n 0000037791 00000 n 0000002219 00000 n 0000018582 00000 n 0000034549 00000 n trailer << /Size 328 /Info 263 0 R /Encrypt 275 0 R /Root 274 0 R /Prev 598924 /ID[. 0000034265 00000 n 0000009852 00000 n n-3) is also commonly used. 0000027496 00000 n 0000005519 00000 n 0000003817 00000 n 140 0 obj <> endobj xref 0000007553 00000 n 0000006517 00000 n Common Names .
0000016489 00000 n Nomenclature of fatty acids • Most fatty acids have 12 to 20 carbons • Most chains have an even number of carbons (synthesized from two-carbon units) • IUPAC nomenclature: carboxyl carbon is C-1 • Common nomenclature: α,β,γ,δ,ε etc. 0000048499 00000 n 0000012854 00000 n 0000049355 00000 n 0000015219 00000 n About this page. 0000037721 00000 n 0000012723 00000 n
0000011543 00000 n 0000006024 00000 n
0000003584 00000 n The LIPIDMAPS systematic nomenclature for fatty acids indicates the location of double bonds with reference to the carboxyl group with “Δ”. 273 0 obj << /Linearized 1 /O 277 /H [ 1868 1482 ] /L 604514 /E 158819 /N 44 /T 598935 >> endobj xref 273 55 0000000016 00000 n 2 * * * * * * common name IUPAC name 18:0 stearate Octadecanoate 18:1 oleate cis- 9-Octadecenoate 18:2 linoleate cis,cis- 9,12-Octadecadienoate You must be able to draw the See Table 11.1 structure of those marked * Saturated FA - no C-C double bonds Unsaturated FA - at least one C-C double bond Fig. 0000014079 00000 n 0000036966 00000 n Set alert. 0000014333 00000 n 0000005863 00000 n 0000006953 00000 n 0000015241 00000 n Fatty acids are known by several names: volatile fatty acids from C 1 to C 5, fatty acids from C 6 to C 24, long-chain fatty acids from C 25 to C 40, and very long chain fatty acids above C 40.One can also find other names in the chemical nomenclature. 0000028626 00000 n 0000006420 00000 n 0000015897 00000 n Seed Food Reserves and Their Accumulation. 0000015313 00000 n 0000008910 00000 n 0000062966 00000 n The first number is the number of carbon atoms in the … 0000001564 00000 n 11.1, Page 191 Pg. 0000009874 00000 n 0000007331 00000 n 0000004472 00000 n 0000070828 00000 n 0000037416 00000 n 0000005283 00000 n 0000003350 00000 n … 0000049570 00000 n 0000007740 00000 n 0000048538 00000 n 0000013417 00000 n 0000010236 00000 n
0000007555 00000 n 0000001469 00000 n Fatty acids play a key role in metabolism: as a metabolic fuel, as a necessary component of all membranes, and as a gene regulator. 0000001868 00000 n This is written as shown in figure 2.332.
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