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Understanding the Uniqueness of Artocarpus Flavonoids: Isolation and Structure Elucidation of Cycloartocarpin from the Roots of 'Artocarpus altilis'

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Title: Understanding the Uniqueness of Artocarpus Flavonoids: Isolation and Structure Elucidation of Cycloartocarpin from the Roots of 'Artocarpus altilis'
Language: English
Authors: Hakim, Aliefman (ORCID 0000-0002-5670-853X), Jufri, A. Wahab, Jamaluddin, Supriadi, Mutmainnah, Putri Ayu
Source: Journal of Chemical Education. Nov 2020 97(11):4133-4136.
Availability: Division of Chemical Education, Inc. and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Peer Reviewed: Y
Page Count: 4
Publication Date: 2020
Document Type: Journal Articles
Reports - Descriptive
Education Level: Higher Education
Postsecondary Education
Descriptors: Science Instruction, College Science, Organic Chemistry, Science Laboratories, Hands on Science, Science Experiments, Laboratory Experiments, Undergraduate Students, Plants (Botany)
DOI: 10.1021/acs.jchemed.0c00199
ISSN: 0021-9584
Abstract: Secondary metabolite compounds contained in each plant genus have certain characteristics, which is true also of the flavonoid in the genus "Artocarpus." In the experiment described here, third-year undergraduate students performed the isolation and characterization of cycloartocarpin from the roots of "Artocarpus altilis" (commonly known as breadfruit), giving them experience in skills such as extraction, fractionation, purification, and the structural elucidation of cycloartocarpin. Manipulation of the liquor by thin-layer and gravitation column chromatographic techniques proved to be a simple method to isolate cycloartocarpin. The flavonoid structure, cycloartocarpin, was treated with structure elucidation 1- and 2-dimensional NMR and infrared spectrometry. Students then compared the structure of the cycloartocarpin obtained with that of other flavonoids from the genus "Artocarpus" and other plant genera. From these comparisons, they were able to formulate structural characteristics of the flavonoid compounds of the genus "Artocarpus." The laboratory method, accomplished in four, 3 h laboratory sessions, allowed students to readily understand the process of isolating flavonoids and their peculiarities.
Abstractor: As Provided
Entry Date: 2020
Accession Number: EJ1276381
Database: ERIC
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  Data: <searchLink fieldCode="AR" term="%22Hakim%2C+Aliefman%22">Hakim, Aliefman</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0002-5670-853X">0000-0002-5670-853X</externalLink>)<br /><searchLink fieldCode="AR" term="%22Jufri%2C+A%2E+Wahab%22">Jufri, A. Wahab</searchLink><br /><searchLink fieldCode="AR" term="%22Jamaluddin%22">Jamaluddin</searchLink><br /><searchLink fieldCode="AR" term="%22Supriadi%22">Supriadi</searchLink><br /><searchLink fieldCode="AR" term="%22Mutmainnah%2C+Putri+Ayu%22">Mutmainnah, Putri Ayu</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Chemical+Education%22"><i>Journal of Chemical Education</i></searchLink>. Nov 2020 97(11):4133-4136.
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  Data: Division of Chemical Education, Inc. and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
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  Data: Secondary metabolite compounds contained in each plant genus have certain characteristics, which is true also of the flavonoid in the genus "Artocarpus." In the experiment described here, third-year undergraduate students performed the isolation and characterization of cycloartocarpin from the roots of "Artocarpus altilis" (commonly known as breadfruit), giving them experience in skills such as extraction, fractionation, purification, and the structural elucidation of cycloartocarpin. Manipulation of the liquor by thin-layer and gravitation column chromatographic techniques proved to be a simple method to isolate cycloartocarpin. The flavonoid structure, cycloartocarpin, was treated with structure elucidation 1- and 2-dimensional NMR and infrared spectrometry. Students then compared the structure of the cycloartocarpin obtained with that of other flavonoids from the genus "Artocarpus" and other plant genera. From these comparisons, they were able to formulate structural characteristics of the flavonoid compounds of the genus "Artocarpus." The laboratory method, accomplished in four, 3 h laboratory sessions, allowed students to readily understand the process of isolating flavonoids and their peculiarities.
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