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Journal Article

Article de revue

Chemical Synthesis of Conjugated Linoleic Acid (CLA) Derivatives with Glycerol  [2000]

Park Won-Seck; Kim Seck-Jong Division of Applied chemistry and Food Technology, Gyeongsang National University, Chinju 660-701 (Korea Republic);

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Conjugated linoleic a cid (CLA) is a potent anticarcinogen for several animal models. CLA was synthesized by alkaline isomerization of linoleic acid. Derivatives of CLA with glycerol were synthesized by chemical methods to use as food additives. Chemically-synthesized CLA-chloride (CLA-CI, 1.79 mmole), glycerol (0.6 mmole) and pyridine (1.3 ml) were reacted at 25 degrees for 8 hrs. The resultant was fractionated by silica gel column chromatography (SGCC) and thin layer chromatography (TLC). The fractions were identified using infrared spectroscopy (IR), nuclear magnetic resonance spectroscopy (NMR), and mass spectrometry (MS). Amount of CLA converted to CLA- glycerol derivatives was 59.4% and the rest of CLA was remained as unreacted CLA or CLA dimer. The composition of the CLA-glycerol derivatives was 52.1% tri-CLA-glycerol (CLA-TG), 17.0% di-CLA-glycerol (CLA-DG) and 30.9% mono-CLA-glycerol (CLA-MG). These results suggest that the chemical synthesis of CLA-glycerol derivatives produces CLA-TG, CLA-DG and CLA-MG as well as CLA dimer.
(Revue
J. Korean Soc. Food Sci. Nutr.
ISSN : 1126-3311

Information bibliographique

Langue:
Korean
Type:
Journal Article
Sur AGRIS depuis:
2001
Volume:
29
Numéro:
3
Page initiale:
389
Page finale:
394
Tous les titres:
"Chemical Synthesis of Conjugated Linoleic Acid (CLA) Derivatives with Glycerol"@eng
Autre:
"Summaries (En, Ko)"
"illus;6 tables;1 ref;18"
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Information bibliographique

Langue:
Korean
Type:
Journal Article
Sur AGRIS depuis:
2001
Volume:
29
Numéro:
3
Page initiale:
389
Page finale:
394
Tous les titres:
"Chemical Synthesis of Conjugated Linoleic Acid (CLA) Derivatives with Glycerol"@eng
Autre:
"Summaries (En, Ko)"
"illus;6 tables;1 ref;18"