Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.

Patchouli (Pogostemon cablin) is a widely valued plant for its aromatic and medicinal properties. As an industrial important aromatic plant, the method used to extract the patchouli essential oil should be innovated. Supercritical fluid extraction (SFE) is a method that capable of selectively extrac...

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Main Authors:	Tan, Teng Ju, Nordin, Mohd Shukor, Haron, Normah
Format:	Monograph
Language:	English
Published:	2019
Subjects:	QD Chemistry T Technology (General) TP155 Chemical engineering
Online Access:	http://irep.iium.edu.my/72652/ http://irep.iium.edu.my/72652/1/COMPLETION%20REPORT%20FORM%20-%20EDW%20-%20Tan%20TJ.pdf

id	iium-72652
recordtype	eprints
spelling	iium-726522019-12-01T03:51:53Z http://irep.iium.edu.my/72652/ Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil. Tan, Teng Ju Nordin, Mohd Shukor Haron, Normah QD Chemistry T Technology (General) TP155 Chemical engineering Patchouli (Pogostemon cablin) is a widely valued plant for its aromatic and medicinal properties. As an industrial important aromatic plant, the method used to extract the patchouli essential oil should be innovated. Supercritical fluid extraction (SFE) is a method that capable of selectively extract the desirable compounds of essential oil at high yield by manipulation of SFE conditions. Thus, this study aims to determine the effect of temperature and pressure of SFE on the yield and quality of patchouli essential oil. The patchouli leaves were subjected to SFE under different conditions of temperature (35 and 55oC) and pressure (10, 35 and 60 MPa). The yield of the SFE was determined by total oil content (TOC) and the chemical composition of the extracted oil was analysed by gas chromatography-mass spectrometry (GC-MS) and compared with chemical profile of commercial patchouli essential oil produced by steam distillation. The TOC analysis showed that the highest yield was obtained under the pressure of 60 MPa at 55°C, with 3.0586 ± 0.23 % TOC and the lowest yield was observed under the pressure of 10 MPa at 55°C, with only 0.5648 ± 0.19 % TOC. The effects of pressure and temperature on the extraction yield (TOC) were statistically significant. In GC-MS analysis, thirteen compounds were identified in the steam-distilled oil, while the highest number of compounds observed in SFE’s were only eleven. Despite of this, the oils extracted with scCO2 had higher quality compared to the steam-distilled oil, based on the quantity of two important compounds (patchoulol and α-patchoulene) that specifically determined the quality of the patchouli oil. SFE at 10 MPa; 35oC gave the highest composition of patchoulol (73.65 ± 3.60 %), while SFE at 60 MPa; 55oC resulted in highest amount of α-patchoulene (5.01 ± 0.20 %). Steam distillation’s oil was found to acquire the least amount of patchoulol among all (38.95 %), but contained fairly high concentration of α-patchoulene (3.86 %). The optimum SFE conditions for patchouli essential oil were 60 MPa; 55oC, which gave the highest oil yield with 59.30 ± 6.16 % of total percentage of both patchoulol and α-patchoulene. Overall, the study has demonstrated that the oil from SFE had better quality than the oil from steam distillation. 2019-06-14 Monograph NonPeerReviewed application/pdf en http://irep.iium.edu.my/72652/1/COMPLETION%20REPORT%20FORM%20-%20EDW%20-%20Tan%20TJ.pdf Tan, Teng Ju and Nordin, Mohd Shukor and Haron, Normah (2019) Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil. Research Report. UNSPECIFIED. (Unpublished)
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	QD Chemistry T Technology (General) TP155 Chemical engineering
spellingShingle	QD Chemistry T Technology (General) TP155 Chemical engineering Tan, Teng Ju Nordin, Mohd Shukor Haron, Normah Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
description	Patchouli (Pogostemon cablin) is a widely valued plant for its aromatic and medicinal properties. As an industrial important aromatic plant, the method used to extract the patchouli essential oil should be innovated. Supercritical fluid extraction (SFE) is a method that capable of selectively extract the desirable compounds of essential oil at high yield by manipulation of SFE conditions. Thus, this study aims to determine the effect of temperature and pressure of SFE on the yield and quality of patchouli essential oil. The patchouli leaves were subjected to SFE under different conditions of temperature (35 and 55oC) and pressure (10, 35 and 60 MPa). The yield of the SFE was determined by total oil content (TOC) and the chemical composition of the extracted oil was analysed by gas chromatography-mass spectrometry (GC-MS) and compared with chemical profile of commercial patchouli essential oil produced by steam distillation. The TOC analysis showed that the highest yield was obtained under the pressure of 60 MPa at 55°C, with 3.0586 ± 0.23 % TOC and the lowest yield was observed under the pressure of 10 MPa at 55°C, with only 0.5648 ± 0.19 % TOC. The effects of pressure and temperature on the extraction yield (TOC) were statistically significant. In GC-MS analysis, thirteen compounds were identified in the steam-distilled oil, while the highest number of compounds observed in SFE’s were only eleven. Despite of this, the oils extracted with scCO2 had higher quality compared to the steam-distilled oil, based on the quantity of two important compounds (patchoulol and α-patchoulene) that specifically determined the quality of the patchouli oil. SFE at 10 MPa; 35oC gave the highest composition of patchoulol (73.65 ± 3.60 %), while SFE at 60 MPa; 55oC resulted in highest amount of α-patchoulene (5.01 ± 0.20 %). Steam distillation’s oil was found to acquire the least amount of patchoulol among all (38.95 %), but contained fairly high concentration of α-patchoulene (3.86 %). The optimum SFE conditions for patchouli essential oil were 60 MPa; 55oC, which gave the highest oil yield with 59.30 ± 6.16 % of total percentage of both patchoulol and α-patchoulene. Overall, the study has demonstrated that the oil from SFE had better quality than the oil from steam distillation.
format	Monograph
author	Tan, Teng Ju Nordin, Mohd Shukor Haron, Normah
author_facet	Tan, Teng Ju Nordin, Mohd Shukor Haron, Normah
author_sort	Tan, Teng Ju
title	Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
title_short	Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
title_full	Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
title_fullStr	Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
title_full_unstemmed	Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.
title_sort	optimization of operating conditions for supercritical fluid extraction of patchouli (pogostemon cablin) essential oil.
publishDate	2019
url	http://irep.iium.edu.my/72652/ http://irep.iium.edu.my/72652/1/COMPLETION%20REPORT%20FORM%20-%20EDW%20-%20Tan%20TJ.pdf
first_indexed	2023-09-18T21:42:57Z
last_indexed	2023-09-18T21:42:57Z
_version_	1777413262377222144

Optimization of operating conditions for supercritical fluid extraction of patchouli (Pogostemon cablin) essential oil.

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