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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 (CC BY 3.0).
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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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