Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis.
Esterification of succinic acid with oleyl alcohol catalyzed by immobilized Candida antarctica lipase B (Novozym 435) was investigated in this study. Response surface methodology (RSM) based on a five-level, four-variable central composite design (CCD) was used to model and analyze the reaction. A t...
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2011
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my.upm.eprints.250582015-10-02T08:03:51Z http://psasir.upm.edu.my/id/eprint/25058/ Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. Abdul Rahman, Mohd Basyaruddin Jarmi, Nor Izuan Chaibakhsh, Naz Basri, Mahiran Esterification of succinic acid with oleyl alcohol catalyzed by immobilized Candida antarctica lipase B (Novozym 435) was investigated in this study. Response surface methodology (RSM) based on a five-level, four-variable central composite design (CCD) was used to model and analyze the reaction. A total of 21 experiments representing different combinations of the four parameters including temperature (35–65°C), time (30–450 min), enzyme amount (20-400 mg), and alcohol:acid molar ratio (1:1-8:1) were generated. A partial cubic equation could accurately model the response surface with a R2 of 0.9853. The effect and interactions of the variables on the ester synthesis were also studied. Temperature was found to be the most significant parameter that influenced the succinate ester synthesis. At the optimal conditions of 41.1°C, 272.8 min, 20 mg enzyme amount and 7.8:1 alcohol:acid molar ratio, the esterification percentage was 85.0%. The model can present a rapid means for estimating the conversion yield of succinate ester within the selected ranges. Springer Link 2011-01 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/25058/1/Modeling%20and%20optimization%20of%20lipase.pdf Abdul Rahman, Mohd Basyaruddin and Jarmi, Nor Izuan and Chaibakhsh, Naz and Basri, Mahiran (2011) Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. Journal of Industrial Microbiology and Technology, 38 (1). pp. 229-234. ISSN 1367-5435 http://link.springer.com/ 10.1007/s10295-010-0817-3 English |
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UPM Library |
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Universiti Putra Malaysia |
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| language |
English English |
| description |
Esterification of succinic acid with oleyl alcohol catalyzed by immobilized Candida antarctica lipase B (Novozym 435) was investigated in this study. Response surface methodology (RSM) based on a five-level, four-variable central composite design (CCD) was used to model and analyze the reaction. A total of 21 experiments representing different combinations of the four parameters including temperature (35–65°C), time (30–450 min), enzyme amount (20-400 mg), and alcohol:acid molar ratio (1:1-8:1) were generated. A partial cubic equation could accurately model the response surface with a R2 of 0.9853. The effect and interactions of the variables on the ester synthesis were also studied. Temperature was found to be the most significant parameter that influenced the succinate ester synthesis. At the optimal conditions of 41.1°C, 272.8 min, 20 mg enzyme amount and 7.8:1 alcohol:acid molar ratio, the esterification percentage was 85.0%. The model can present a rapid means for estimating the conversion yield of succinate ester within the selected ranges. |
| format |
Article |
| author |
Abdul Rahman, Mohd Basyaruddin Jarmi, Nor Izuan Chaibakhsh, Naz Basri, Mahiran |
| spellingShingle |
Abdul Rahman, Mohd Basyaruddin Jarmi, Nor Izuan Chaibakhsh, Naz Basri, Mahiran Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| author_facet |
Abdul Rahman, Mohd Basyaruddin Jarmi, Nor Izuan Chaibakhsh, Naz Basri, Mahiran |
| author_sort |
Abdul Rahman, Mohd Basyaruddin |
| title |
Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| title_short |
Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| title_full |
Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| title_fullStr |
Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| title_full_unstemmed |
Modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| title_sort |
modeling and optimization of lipase-catalyzed production of succinic acid ester using central composite design analysis. |
| publisher |
Springer Link |
| publishDate |
2011 |
| url |
http://psasir.upm.edu.my/id/eprint/25058/1/Modeling%20and%20optimization%20of%20lipase.pdf http://psasir.upm.edu.my/id/eprint/25058/ http://link.springer.com/ |
| _version_ |
1643828545864073216 |
| score |
13.251813 |