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Molecules 2011, 16(6), 4672-4680; doi:10.3390/molecules16064672
Article

Determining Optimum Conditions for Lipase-Catalyzed Synthesis of Triethanolamine (TEA)-Based Esterquat Cationic Surfactant by a Taguchi Robust Design Method

, * ,  and
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400, Selangor, Malaysia
* Author to whom correspondence should be addressed.
Received: 12 April 2011 / Revised: 3 May 2011 / Accepted: 4 May 2011 / Published: 3 June 2011
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Abstract

A Taguchi robust design method with an L9 orthogonal array was implemented to optimize experimental conditions for the biosynthesis of triethanolamine (TEA)-based esterquat cationic surfactants using an enzymatic reaction method. The esterification reaction conversion% was considered as the response. Enzyme amount, reaction time, reaction temperature and molar ratio of substrates, [oleic acid: triethanolamine (OA:TEA)] were chosen as main parameters. As a result of the Taguchi analysis in this study, the molar ratio of substrates was found to be the most influential parameter on the esterification reaction conversion%. The amount of enzyme in the reaction had also a significant effect on reaction conversion%.
Keywords: Taguchi design; optimization; esterquat; cationic surfactant; biosynthesis Taguchi design; optimization; esterquat; cationic surfactant; biosynthesis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Masoumi, H.R.F.; Kassim, A.; Basri, M.; Abdullah, D.K. Determining Optimum Conditions for Lipase-Catalyzed Synthesis of Triethanolamine (TEA)-Based Esterquat Cationic Surfactant by a Taguchi Robust Design Method. Molecules 2011, 16, 4672-4680.

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