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Sharma A, Melo JS, Prakash R, Tejo Prakash N. Lab-scale production of biodiesel from soybean acid oil using immobilized whole cells as catalyst. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.1964486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Anirudh Sharma
- University Institute of Biotechnology, Chandigarh University, Mohali, India
| | - Jose S. Melo
- NA&BTD, Bhabha Atomic Research Centre, Mumbai, India
| | - Ranjana Prakash
- School of Chemistry & Biochemistry, Thapar Institute of Engineering and Technology, Patiala, India
| | - N. Tejo Prakash
- School of Energy & Environment, Thapar Institute of Engineering and Technology, Patiala, India
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Abstract
The search for economic and sustainable sources of polyunsaturated fatty acids (PUFAs) within the framework of the circular economy is encouraged by their proven beneficial effects on health. The extraction of monkfish liver oil (MLO) for the synthesis of omega-3 ethyl esters was performed to evaluate two blending systems and four green solvents in this work. Moreover, the potential solubility of the MLO in green solvents was studied using the predictive simulation software COnductor-like Screening MOdel for Realistic Solvents (COSMO-RS). The production of ethyl esters was performed by one or two-step reactions. Novozym 435, two resting cells (Aspergillus flavus and Rhizopus oryzae) obtained in our laboratory and a mix of them were used as biocatalysts in a solvent-free system. The yields for Novozym 435, R. oryzae and A. flavus in the one-step esterification were 63, 61 and 46%, respectively. The hydrolysis step in the two-step reaction led to 83, 88 and 93% of free fatty acids (FFA) for Novozym 435, R. oryzae and A. flavus, respectively. However, Novozym 435 showed the highest yield in the esterification step (85%), followed by R. oryzae (65%) and A. flavus (41%). Moreover, selectivity of polyunsaturated fatty acids of R. oryzae lipase was evidenced as it slightly esterified docosahexaenoic acid (DHA) in all the esterification reactions tested.
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Aulakh SS, Sharma A, Tejo Prakash N, Prakash R. Biocatalyzed esterification of oleic acid using cell suspension and dried biomass of Aspergillus sp. RBD01. BIOCATAL BIOTRANSFOR 2017. [DOI: 10.1080/10242422.2017.1292502] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Anirudh Sharma
- School of Chemistry and Biochemistry, Thapar University, Patiala, India and
| | - N. Tejo Prakash
- School of Energy and Environment, Thapar University, Patiala, India
| | - Ranjana Prakash
- School of Chemistry and Biochemistry, Thapar University, Patiala, India and
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Garayoa RC, Yara-Varón E, Balcells M, Torres M, Eras J. Nuclear Magnetic Resonance Spectroscopy: An Alternative Fast Tool for Quantitative Analysis of the Solvent-free Ethanolysis of Coconut Oil Using Fungal Resting Cells. N Biotechnol 2014. [DOI: 10.1016/j.nbt.2014.05.1818] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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