Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC
Octanol-water partition coefficient (KOW) values of anti-microbial alkaloids, arborine and arborinine of Glycosmis pentaphylla (Retz) DC were determined. The method of extraction by solvents of these alkaloids and the following isolation procedures using column chromatography techniques will adopt t...
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iium-212012013-07-17T01:17:25Z http://irep.iium.edu.my/21201/ Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC Ahmad, Kausar Mohd. Hassan, Norazian Helaluddin , Abul Bashar Mohammed Mat Ali, Idura Mansor, Norhafizah R Medicine (General) RB Pathology Octanol-water partition coefficient (KOW) values of anti-microbial alkaloids, arborine and arborinine of Glycosmis pentaphylla (Retz) DC were determined. The method of extraction by solvents of these alkaloids and the following isolation procedures using column chromatography techniques will adopt those ascertained and established earlier (Norazian, 2006). A shake-flask method was used to determine the octanol-water partition coefficients from (298.15, 303.15, 308.15 and 313.15)k. Each compound was dissolved in the octanol to a known concentration and placed in octanol-water system and allowed to equilibrate. The concentration in the octanol phase was then determined by using spectrophotometer. The KOW was calculated as the ratio of the concentration in octanol phase to the concentration in aqueous phase. 2010 Conference or Workshop Item NonPeerReviewed application/pdf en http://irep.iium.edu.my/21201/1/Detrmination_of_octanol-water.pdf Ahmad, Kausar and Mohd. Hassan, Norazian and Helaluddin , Abul Bashar Mohammed and Mat Ali, Idura and Mansor, Norhafizah (2010) Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC. In: 3rd International Conference on Advancement in Science and Technology (iCAST) 2010, 27-29 November 2010, Vistana Hotel, Kuantan, Pahang. http://www.iium.edu.my/icast/2010/index.php?option=com_content&view=article&id=14&Itemid=17 |
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R Medicine (General) RB Pathology |
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R Medicine (General) RB Pathology Ahmad, Kausar Mohd. Hassan, Norazian Helaluddin , Abul Bashar Mohammed Mat Ali, Idura Mansor, Norhafizah Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
description |
Octanol-water partition coefficient (KOW) values of anti-microbial alkaloids, arborine and arborinine of Glycosmis pentaphylla (Retz) DC were determined. The method of extraction by solvents of these alkaloids and the following isolation procedures using column chromatography techniques will adopt those ascertained and established earlier (Norazian, 2006). A shake-flask method was used to determine the octanol-water partition coefficients from (298.15, 303.15, 308.15 and 313.15)k. Each compound was dissolved in the octanol to a known concentration and placed in octanol-water system and allowed to equilibrate. The concentration in the octanol phase was then determined by using spectrophotometer. The KOW was calculated as the ratio of the concentration in octanol phase to the concentration in aqueous phase. |
format |
Conference or Workshop Item |
author |
Ahmad, Kausar Mohd. Hassan, Norazian Helaluddin , Abul Bashar Mohammed Mat Ali, Idura Mansor, Norhafizah |
author_facet |
Ahmad, Kausar Mohd. Hassan, Norazian Helaluddin , Abul Bashar Mohammed Mat Ali, Idura Mansor, Norhafizah |
author_sort |
Ahmad, Kausar |
title |
Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
title_short |
Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
title_full |
Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
title_fullStr |
Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
title_full_unstemmed |
Determination of octanol-water partition coefficients of anti-microbial alkaloids from Glycosmis pentaphylla (Retz) DC |
title_sort |
determination of octanol-water partition coefficients of anti-microbial alkaloids from glycosmis pentaphylla (retz) dc |
publishDate |
2010 |
url |
http://irep.iium.edu.my/21201/ http://irep.iium.edu.my/21201/ http://irep.iium.edu.my/21201/1/Detrmination_of_octanol-water.pdf |
first_indexed |
2023-09-18T20:32:07Z |
last_indexed |
2023-09-18T20:32:07Z |
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1777408805563269120 |