Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii

Gracilaria changii has been extracted and fractionated to obtain the ethanol, diethyl ether, ethyl acetate, buthanol extracts and polysaccharide. In this research, isolation and separation of chemical compounds have been carried out by various solvent and chromatographic methods. The structure of...

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Main Author:	Tee, Ching Yee
Format:	Thesis
Language:	English
Subjects:	QK 569 .G8 T4 2008 Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii Botany > Cryptogams > Algae Gracilariaceae
Online Access:	http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/1/QK%20569%20.G8%20T4%202008%20FullText.pdf http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/4/QK%20569%20.G8%20T4%202008%20Abstract.pdf
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id	my-umt-ir.-801
record_format	uketd_dc
spelling	my-umt-ir.-8012016-03-11T20:05:17Z Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii Tee, Ching Yee Gracilaria changii has been extracted and fractionated to obtain the ethanol, diethyl ether, ethyl acetate, buthanol extracts and polysaccharide. In this research, isolation and separation of chemical compounds have been carried out by various solvent and chromatographic methods. The structure of these pure compounds have been determined by various spectroscopic methods such as infrared (IR), ultra-violet (UV), nuclear magnetic resonance (]H, l3C and 2D NMR), mass spectroscopy (MS) and by comparison with the data reported previously. The crude extracts, isolated pure compounds and synthetic compounds were subjected to the biological activities screening test such as antioxidant, antibacterial, cytotoxic assay and TLC bioautographic method for acetylcholinesterase inhibition assay. Fakulti Sains dan Teknologi 2008-12 Thesis en http://hdl.handle.net/123456789/801 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/3/license.txt ecca7a0b60eabbf88d99eae3662e2d50 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/1/QK%20569%20.G8%20T4%202008%20FullText.pdf ed1cf83d1dbbf526d5ab22585c1ecaec http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/4/QK%20569%20.G8%20T4%202008%20Abstract.pdf 698810d5ad92a01e16891418e81cfacb http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/5/QK%20569%20.G8%20T4%202008%20FullText.pdf.txt 9a7cb0556bcd8ebad372a3592ee330c3 http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/6/QK%20569%20.G8%20T4%202008%20Abstract.pdf.txt 42f1b1a4ba47a22f30c080990a2c0825 QK 569 .G8 T4 2008 Tee, Ching Yee Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii Botany -- Cryptogams -- Algae Gracilariaceae
institution	Universiti Malaysia Terengganu
collection	UMT Repository System
language	English
topic	QK 569 .G8 T4 2008 QK 569 .G8 T4 2008 Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii Botany -- Cryptogams -- Algae Gracilariaceae
spellingShingle	QK 569 .G8 T4 2008 QK 569 .G8 T4 2008 Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii Botany -- Cryptogams -- Algae Gracilariaceae Tee, Ching Yee Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
description	Gracilaria changii has been extracted and fractionated to obtain the ethanol, diethyl ether, ethyl acetate, buthanol extracts and polysaccharide. In this research, isolation and separation of chemical compounds have been carried out by various solvent and chromatographic methods. The structure of these pure compounds have been determined by various spectroscopic methods such as infrared (IR), ultra-violet (UV), nuclear magnetic resonance (]H, l3C and 2D NMR), mass spectroscopy (MS) and by comparison with the data reported previously. The crude extracts, isolated pure compounds and synthetic compounds were subjected to the biological activities screening test such as antioxidant, antibacterial, cytotoxic assay and TLC bioautographic method for acetylcholinesterase inhibition assay.
format	Thesis
author	Tee, Ching Yee
author_facet	Tee, Ching Yee
author_sort	Tee, Ching Yee
title	Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
title_short	Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
title_full	Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
title_fullStr	Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
title_full_unstemmed	Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
title_sort	isolation and bioactivity screening of chemical constituents extracted from gracilaria changii
granting_institution	Fakulti Sains dan Teknologi
url	http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/1/QK%20569%20.G8%20T4%202008%20FullText.pdf http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/801/4/QK%20569%20.G8%20T4%202008%20Abstract.pdf
_version_	1747835879454408704

Isolation and bioactivity screening of chemical constituents extracted from gracilaria changii

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