Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity

The effect of processing parameters on the yield of oleoresin from Zingiber zerumbet and its antibacterial activity was investigated. The preliminary experiments were carried out to determine the main parameters that affect the yield of oleoresin, zerumbone content and antibacterial activity on the...

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Main Author:	Hasham @ Hisam, Rosnani
Format:	Thesis
Language:	English
Published:	2008
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/id/eprint/18074/1/RosnaniBintiHasham%40HisamMFKM2008.pdf
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spelling	my-utm-ep.180742018-06-29T21:51:21Z Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity 2008-11 Hasham @ Hisam, Rosnani TP Chemical technology The effect of processing parameters on the yield of oleoresin from Zingiber zerumbet and its antibacterial activity was investigated. The preliminary experiments were carried out to determine the main parameters that affect the yield of oleoresin, zerumbone content and antibacterial activity on the Escherichia coli and Staphylococcus aureus of Z. zerumbet oleoresin. The main parameters were found to be extraction time, type of solvent used and blanching treatment. The range of those parameters that was investigated to get the highest of all yield were blanching treatments (untreated, boiled, steamed), solvent (acetone, ethanol and methanol) and extraction time (6 hours to 18 hours). A D-optimal design was employed to study the effect of different range parameter of Z. zerumbet oleoresin on four response variables; the yield of oleoresin, the zerumbone content, the antibacterial activity on the E. coli and S. aureus. Analysis of variance and response surface methodology were applied to identify the optimal processing parameter. The optimal processing parameters that fulfilled the requirement for yield of oleoresin, zerumbone content, antibacterial activity on the E. coli and S. aureus with high desirability were found to be 18 hours of extraction time, methanol as the solvent used and steaming as the blanching treatment. The desirability value was 84 %. Meanwhile, the optimal yield of Z. zerumbet oleoresin was 31.50 % (w/w), the zerumbone content was 0.56 % (w/w) and the antibacterial activities (inhibition zone) on the E. coli and S. aureus were 14.58 mm and 13.51 mm respectively. Processing optimization has resulted in an increase of overall antibacterial activity on the E. coli and S. aureus of Z. zerumbet oleoresin as well as the increment yield of oleoresin and zerumbone content 2008-11 Thesis http://eprints.utm.my/id/eprint/18074/ http://eprints.utm.my/id/eprint/18074/1/RosnaniBintiHasham%40HisamMFKM2008.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:93306?queryType=vitalDismax&query=Optimization+of+processing+parameters+on+the+yield+of+oleoresin+from+zingiber+zerumbet+and+its+antibacterial+activity&public=true masters Universiti Teknologi Malaysia, Faculty of Chemical and Natural Resources Engineering Faculty of Chemical and Natural Resources Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Hasham @ Hisam, Rosnani Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
description	The effect of processing parameters on the yield of oleoresin from Zingiber zerumbet and its antibacterial activity was investigated. The preliminary experiments were carried out to determine the main parameters that affect the yield of oleoresin, zerumbone content and antibacterial activity on the Escherichia coli and Staphylococcus aureus of Z. zerumbet oleoresin. The main parameters were found to be extraction time, type of solvent used and blanching treatment. The range of those parameters that was investigated to get the highest of all yield were blanching treatments (untreated, boiled, steamed), solvent (acetone, ethanol and methanol) and extraction time (6 hours to 18 hours). A D-optimal design was employed to study the effect of different range parameter of Z. zerumbet oleoresin on four response variables; the yield of oleoresin, the zerumbone content, the antibacterial activity on the E. coli and S. aureus. Analysis of variance and response surface methodology were applied to identify the optimal processing parameter. The optimal processing parameters that fulfilled the requirement for yield of oleoresin, zerumbone content, antibacterial activity on the E. coli and S. aureus with high desirability were found to be 18 hours of extraction time, methanol as the solvent used and steaming as the blanching treatment. The desirability value was 84 %. Meanwhile, the optimal yield of Z. zerumbet oleoresin was 31.50 % (w/w), the zerumbone content was 0.56 % (w/w) and the antibacterial activities (inhibition zone) on the E. coli and S. aureus were 14.58 mm and 13.51 mm respectively. Processing optimization has resulted in an increase of overall antibacterial activity on the E. coli and S. aureus of Z. zerumbet oleoresin as well as the increment yield of oleoresin and zerumbone content
format	Thesis
qualification_level	Master's degree
author	Hasham @ Hisam, Rosnani
author_facet	Hasham @ Hisam, Rosnani
author_sort	Hasham @ Hisam, Rosnani
title	Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
title_short	Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
title_full	Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
title_fullStr	Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
title_full_unstemmed	Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
title_sort	optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity
granting_institution	Universiti Teknologi Malaysia, Faculty of Chemical and Natural Resources Engineering
granting_department	Faculty of Chemical and Natural Resources Engineering
publishDate	2008
url	http://eprints.utm.my/id/eprint/18074/1/RosnaniBintiHasham%40HisamMFKM2008.pdf
_version_	1747815186386911232

Optimization of processing parameters on the yield of oleoresin from zingiber zerumbet and its antibacterial activity

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