Linolelaidic acid
Linolelaidic acid is an omega-6 trans fatty acid (TFA) and is a geometric isomer of linoleic acid. It is found in partially hydrogenated vegetable oils. It also comprises 12.39% of the fats from the fruit of the durian species Durio graveolens.[4] It is a white (or colourless) viscous liquid.
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| IUPAC name
(9E,12E)-octadeca-9,12-dienoic acid | |
| Other names
trans, trans-9,12-octadecadienoic acid
Linoeladic acid | |
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CompTox Dashboard (EPA) |
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| Properties | |
| C18H32O2 | |
| Molar mass | 280.45 g/mol |
| Melting point | 28–29 °C (82–84 °F; 301–302 K)[3] |
| Boiling point | 229 to 230 °C (444 to 446 °F; 502 to 503 K) at 16 mmHg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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TFAs are classified as conjugated and nonconjugated, corresponding usually to the structural elements -CH=CH-CH=CH- and -CH=CH-CH2-CH=CH-, respectively. Nonconjugated TFAs are represented by elaidic acid and linolelaidic acid. Their presence is linked heart diseases. The TFA vaccenic acid, which is of animal origin, poses less of a health risk.[5]
References
- Linolelaidic acid at chemexper.com
- Linoeladic acid at pubchem.ncbi.nlm.nih.gov
- Kass, J. P; Burr, G. O (1939). "The Elaidinization of Linoleic Acid". Journal of the American Chemical Society. 61 (5): 1062. Bibcode:1939JAChS..61.2492E. doi:10.1021/ja01874a022.
- Nasaruddin, Mohd hanif; Noor, Noor Qhairul Izzreen Mohd; Mamat, Hasmadi (2013). "Komposisi Proksimat dan Komponen Asid Lemak Durian Kuning (Durio graveolens) Sabah" [Proximate and Fatty Acid Composition of Sabah Yellow Durian (Durio graveolens)] (PDF). Sains Malaysiana (in Malay). 42 (9): 1283–1288. ISSN 0126-6039. OCLC 857479186. Retrieved 28 November 2017.
- Park, Yeonhwa "Conjugated linoleic acid (CLA): Good or bad trans fat?" Journal of Food Composition and Analysis 2009, vol. 22, S4-S12. doi:10.1016/j.jfca.2008.12.002
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