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Journal Article

Artículo de revista

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.
Publicación
J. Korean Soc. Food Sci. Nutr.
ISSN : 1126-3311

Información bibliográfica

Idioma:
Korean
Tipo:
Journal Article
En AGRIS desde:
2001
Volumen:
29
Edición:
3
Página inicial:
389
Página final:
394
Todos los títulos:
"Chemical Synthesis of Conjugated Linoleic Acid (CLA) Derivatives with Glycerol"@eng
Otro:
"Summaries (En, Ko)"
"illus;6 tables;1 ref;18"
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Información bibliográfica

Idioma:
Korean
Tipo:
Journal Article
En AGRIS desde:
2001
Volumen:
29
Edición:
3
Página inicial:
389
Página final:
394
Todos los títulos:
"Chemical Synthesis of Conjugated Linoleic Acid (CLA) Derivatives with Glycerol"@eng
Otro:
"Summaries (En, Ko)"
"illus;6 tables;1 ref;18"