Separation of geraniol from citronellol by selective oxidation of geraniol to geranial
Rhodinol is a mixture of geraniol and citronellol. It is the second fraction in fractional distillation of commercially grown Cymbopogon nardus. The physical and chemical similarities of these two compounds made them inseparable. The individual use of each compound is of great importance. A selectiv...
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Universiti Kebangsaan Malaysia
2015
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| Online Access: | http://journalarticle.ukm.my/9049/ http://journalarticle.ukm.my/9049/ http://journalarticle.ukm.my/9049/1/15_Daniel_Chong_Jun_Weng.pdf |
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ukm-90492016-12-14T06:48:49Z http://journalarticle.ukm.my/9049/ Separation of geraniol from citronellol by selective oxidation of geraniol to geranial Chong, Daniel Jun Weng Jalifah Latip, Siti Aishah Hasbullah, Sastrohamidjojo, Harjono Rhodinol is a mixture of geraniol and citronellol. It is the second fraction in fractional distillation of commercially grown Cymbopogon nardus. The physical and chemical similarities of these two compounds made them inseparable. The individual use of each compound is of great importance. A selective oxidation (hydrogen peroxide activated by platinum black) of geraniol (in rhodinol) to geranial was done while remaining citronellol intact in order to separate the two compounds into different chemical functionality. A yield of 81% geranial achieved while minimizing citronellal formation from citronellol to 17%. Chemical separation using sodium hydrogen sulfite (NaHSO3) was done to separate the aldehydes from the unreacted citronellol. Purification using fractional distillation was done to obtain pure geraniol and remove minor fraction of citronellal. Universiti Kebangsaan Malaysia 2015-08 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/9049/1/15_Daniel_Chong_Jun_Weng.pdf Chong, Daniel Jun Weng and Jalifah Latip, and Siti Aishah Hasbullah, and Sastrohamidjojo, Harjono (2015) Separation of geraniol from citronellol by selective oxidation of geraniol to geranial. Sains Malaysiana, 44 (4). pp. 1183-1188. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol44num8_2015/contentsVol44num8_2015.html |
| repository_type |
Digital Repository |
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Local University |
| institution |
Universiti Kebangasaan Malaysia |
| building |
UKM Institutional Repository |
| collection |
Online Access |
| language |
English |
| description |
Rhodinol is a mixture of geraniol and citronellol. It is the second fraction in fractional distillation of commercially grown Cymbopogon nardus. The physical and chemical similarities of these two compounds made them inseparable. The individual use of each compound is of great importance. A selective oxidation (hydrogen peroxide activated by platinum black) of geraniol (in rhodinol) to geranial was done while remaining citronellol intact in order to separate the two compounds into different chemical functionality. A yield of 81% geranial achieved while minimizing citronellal formation from citronellol to 17%. Chemical separation using sodium hydrogen sulfite (NaHSO3) was done to separate the aldehydes from the unreacted citronellol. Purification using fractional distillation was done to obtain pure geraniol and remove minor fraction of citronellal. |
| format |
Article |
| author |
Chong, Daniel Jun Weng Jalifah Latip, Siti Aishah Hasbullah, Sastrohamidjojo, Harjono |
| spellingShingle |
Chong, Daniel Jun Weng Jalifah Latip, Siti Aishah Hasbullah, Sastrohamidjojo, Harjono Separation of geraniol from citronellol by selective oxidation of geraniol to geranial |
| author_facet |
Chong, Daniel Jun Weng Jalifah Latip, Siti Aishah Hasbullah, Sastrohamidjojo, Harjono |
| author_sort |
Chong, Daniel Jun Weng |
| title |
Separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| title_short |
Separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| title_full |
Separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| title_fullStr |
Separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| title_full_unstemmed |
Separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| title_sort |
separation of geraniol from citronellol by selective oxidation
of geraniol to geranial |
| publisher |
Universiti Kebangsaan Malaysia |
| publishDate |
2015 |
| url |
http://journalarticle.ukm.my/9049/ http://journalarticle.ukm.my/9049/ http://journalarticle.ukm.my/9049/1/15_Daniel_Chong_Jun_Weng.pdf |
| first_indexed |
2023-09-18T19:53:50Z |
| last_indexed |
2023-09-18T19:53:50Z |
| _version_ |
1777406397241098240 |