Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents

In the palm oil refining processes, the free fatty acid content is reduced to an acceptable level by using steam-stripping that causes, also, the loss of nutraceuticals such as tocopherols and carotenoids. An alternative method, such as solvent extraction, to separate free fatty acids, especially pa...

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Main Authors: Kamarza Mulia, Dezaldi Adam, Ida Zahrina, Elsa Krisanti
Format: Article
Language:English
Published: Universitas Indonesia 2018-04-01
Series:International Journal of Technology
Subjects:
Online Access:http://ijtech.eng.ui.ac.id/article/view/1008
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author Kamarza Mulia
Dezaldi Adam
Ida Zahrina
Elsa Krisanti
author_facet Kamarza Mulia
Dezaldi Adam
Ida Zahrina
Elsa Krisanti
author_sort Kamarza Mulia
collection DOAJ
description In the palm oil refining processes, the free fatty acid content is reduced to an acceptable level by using steam-stripping that causes, also, the loss of nutraceuticals such as tocopherols and carotenoids. An alternative method, such as solvent extraction, to separate free fatty acids, especially palmitic acid as the major free fatty acid present in palm oil, will conserves not only the important nutraceuticals but, also, conserves energy because a steam requirement is eliminated. The objective of this research is to evaluate the performance of Natural Deep Eutectic Solvents (NADES), each consisting of betaine as the hydrogen bonding acceptor and a polyalcohol as the hydrogen bonding donor, to extract palmitic acid from palm oil. The goal is to obtain a NADES that is able to extract palmitic acid from palm oil with the highest extraction yield. The viscosity of various studied NADES was 10-236 cSt while the polarity parameter, determined by using Nile red as the solvatochromic dye, was 48.9-50.8 kcal/mol. The obtained data shows that, for NADES having similar polarity to that of betaine, the extraction yields reduce with increasing viscosity of the NADES. The highest extraction yield of 60% (w/w), corresponding to a distribution coefficient value of 0.75, was obtained by using NADES consisting of betaine and 1,2-butanediol. The extraction yield and distribution coefficient values indicated the potential of NADES, prepared by friendly compounds of betaine and polyalcohols, as alternative green solvents in the solvent extraction process when separating free fatty acids from palm oil.
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spelling doaj.art-218d15fff7364d3fb3888874e39e67752023-01-03T01:07:40ZengUniversitas IndonesiaInternational Journal of Technology2086-96142087-21002018-04-019233534410.14716/ijtech.v9i2.10081008Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic SolventsKamarza Mulia0Dezaldi Adam1Ida Zahrina2Elsa Krisanti3Chemical Engineering Department, Faculty of Engineering, Universitas Indonesia, Depok 16424, IndonesiaChemical Engineering Department, Faculty of Engineering, Universitas IndonesiaChemical Engineering Department, Faculty of Engineering, Universitas IndonesiaChemical Engineering Department, Faculty of Engineering, Universitas IndonesiaIn the palm oil refining processes, the free fatty acid content is reduced to an acceptable level by using steam-stripping that causes, also, the loss of nutraceuticals such as tocopherols and carotenoids. An alternative method, such as solvent extraction, to separate free fatty acids, especially palmitic acid as the major free fatty acid present in palm oil, will conserves not only the important nutraceuticals but, also, conserves energy because a steam requirement is eliminated. The objective of this research is to evaluate the performance of Natural Deep Eutectic Solvents (NADES), each consisting of betaine as the hydrogen bonding acceptor and a polyalcohol as the hydrogen bonding donor, to extract palmitic acid from palm oil. The goal is to obtain a NADES that is able to extract palmitic acid from palm oil with the highest extraction yield. The viscosity of various studied NADES was 10-236 cSt while the polarity parameter, determined by using Nile red as the solvatochromic dye, was 48.9-50.8 kcal/mol. The obtained data shows that, for NADES having similar polarity to that of betaine, the extraction yields reduce with increasing viscosity of the NADES. The highest extraction yield of 60% (w/w), corresponding to a distribution coefficient value of 0.75, was obtained by using NADES consisting of betaine and 1,2-butanediol. The extraction yield and distribution coefficient values indicated the potential of NADES, prepared by friendly compounds of betaine and polyalcohols, as alternative green solvents in the solvent extraction process when separating free fatty acids from palm oil.http://ijtech.eng.ui.ac.id/article/view/1008BetaineDeep-eutectic-solventPalmitic acidPalm-oilPolyalcohol
spellingShingle Kamarza Mulia
Dezaldi Adam
Ida Zahrina
Elsa Krisanti
Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
International Journal of Technology
Betaine
Deep-eutectic-solvent
Palmitic acid
Palm-oil
Polyalcohol
title Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
title_full Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
title_fullStr Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
title_full_unstemmed Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
title_short Green Extraction of Palmitic Acid from Palm Oil using Betaine-Based Natural Deep Eutectic Solvents
title_sort green extraction of palmitic acid from palm oil using betaine based natural deep eutectic solvents
topic Betaine
Deep-eutectic-solvent
Palmitic acid
Palm-oil
Polyalcohol
url http://ijtech.eng.ui.ac.id/article/view/1008
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AT idazahrina greenextractionofpalmiticacidfrompalmoilusingbetainebasednaturaldeepeutecticsolvents
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