Production of Conjugated Linoleic Acid by Microwave‐Assisted and Ultrasound‐Assisted Alkali Isomerization: Effects of Microwave Power and Ultrasound Amplitude

2019 ◽  
Vol 96 (7) ◽  
pp. 839-846 ◽  
Author(s):  
Hamza Alaşalvar ◽  
Hakan Erinç ◽  
Fatma Salur ◽  
Ayşe Özbey
Keyword(s):  
Linoleic Acid ◽  
Conjugated Linoleic Acid ◽  
Microwave Power ◽  
Alkali Isomerization ◽  
Microwave Assisted ◽  
Ultrasound Assisted

Synthesis of conjugated linoleic acid by microwave-assisted alkali isomerization using propylene glycol as solvent

2016 ◽  
Vol 119 (4) ◽  
pp. 1600079 ◽  
Author(s):  
Ana Sonia Silva-Ramírez ◽  
Alejandro Rocha-Uribe ◽  
Marco Martín González-Chávez ◽  
Carmen González
Keyword(s):  
Linoleic Acid ◽  
Conjugated Linoleic Acid ◽  
Propylene Glycol ◽  
Alkali Isomerization ◽  
Microwave Assisted

Conjugated Linoleic Acid Causes a Marked Increase in Liver α-Tocopherol and Liver α-Tocopherol Transfer Protein in C57BL/6 J Mice

2010 ◽  
Vol 80 (1) ◽  
pp. 65-73 ◽  
Author(s):  
Pei-Min Chao ◽  
Wan-Hsuan Chen ◽  
Chun-Huei Liao ◽  
Huey-Mei Shaw
Keyword(s):  
Antioxidant Enzymes ◽  
Linoleic Acid ◽  
Conjugated Linoleic Acid ◽  
Thiobarbituric Acid ◽  
Control Group ◽  
Thiobarbituric Acid Reactive Substances ◽  
Control Groups ◽  
Protein Levels ◽  
Transfer Protein ◽  
And Control

Conjugated linoleic acid (CLA) is a collective term for the positional and geometric isomers of a conjugated diene of linoleic acid (C18:2, n-6). The aims of the present study were to evaluate whether levels of hepatic α-tocopherol, α-tocopherol transfer protein (α-TTP), and antioxidant enzymes in mice were affected by a CLA-supplemented diet. C57BL/6 J mice were divided into the CLA and control groups, which were fed, respectively, a 5 % fat diet with or without 1 g/100 g of CLA (1:1 mixture of cis-9, trans-11 and trans-10, cis-12) for four weeks. α-Tocopherol levels in plasma and liver were significantly higher in the CLA group than in the control group. Liver α-TTP levels were also significantly increased in the CLA group, the α-TTP/β-actin ratio being 2.5-fold higher than that in control mice (p<0.01). Thiobarbituric acid-reactive substances were significantly decreased in the CLA group (p<0.01). There were no significant differences between the two groups in levels of three antioxidant enzymes (superoxide dismutase, glutathione peroxidase, and catalase). The accumulation of liver α-tocopherol seen with the CLA diet can be attributed to the antioxidant potential of CLA and the ability of α-TTP induction. The lack of changes in antioxidant enzyme protein levels and the reduced lipid peroxidation in the liver of CLA mice are due to α-tocopherol accumulation.

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