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Synthesis of structured lipid with balanced omega-3: Omega-6 ratio by lipase-catalyzed acidolysis reaction: Optimization of reaction using response surface methodology
Meesha, Sharma and Navin, K. Rastogi and Lokesh, B. R. (2009) Synthesis of structured lipid with balanced omega-3: Omega-6 ratio by lipase-catalyzed acidolysis reaction: Optimization of reaction using response surface methodology. Process Biochemistry, 44. pp. 1284-1288.
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Abstract
The present study deals with the production of structured lipid containing omega-3 and omega-6 fatty acids in the ratio of 1:1 by incorporating omega-3 fatty acids (a-linolenic acid) from linseed oil into groundnut oil using lipase (Lipozyme IM from Rhizomucor miehei) catalyzed acidolysis reaction in hexane. The reaction conditions were optimized by response surface methodology with a four-variable five-level central composite rotatable experimental design. The influence of four independent parameters, namely ratio of fatty acid concentrate from linseed to groundnut oil (0.66–1.98, w/w), reaction temperature (30–60 8C), enzyme concentration (1–5%) and reaction time (2–54 h) on omega-3 fatty acids incorporation into groundnut oil were optimized. Optimal conditions for the structured lipid containing omega-3 to omega-6 fatty acids in the ratio of 1:1 were determined to be; enzyme concentration 3.75% (w/w), temperature 37.5 8C, incubation time 30.81 h and ratio of free fatty acid concentrate from linseed oil to groundnut oil 1.16 (w/w).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Groundnut oil Linseed oil Omega-3 fatty acid PUFA Structured lipid Acidolysis Lipase Response surface methodology |
| Subjects: | 600 Technology > 08 Food technology > 19 Lipids-oils/fats |
| Divisions: | Lipid Science and Traditional Foods |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 25 Feb 2010 10:28 |
| Last Modified: | 28 Dec 2011 10:13 |
| URI: | http://ir.cftri.res.in/id/eprint/9336 |
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