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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
The effect of O-methylated flavonoids and other co-metabolites on the crystallization and purification of artemisinin
Journal of Biotechnology, Volume 171, No. 1, Year 2014
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Description
Methoxylated flavonoids casticin, artemetin and retusin were identified as putative causative factors for low crystallization yields of artemisinin from extracts. Comparative profiling of biomass grown in different countries found elevated levels (~60% higher) of artemetin in the East African biomass, which also demonstrates poor crystallization yields. The single compound and the combined doping experiments at 0, 25 and 50μgmL-1 doping levels showed that artemetin (at 50μgmL-1) caused a reduction in the amount of artemisinin crystallized by ca. 60%. A combination of the three flavonoids at 50μgmL-1 almost completely inhibited crystallization, reducing the yield by 98%. Treatment of extracts by adsorbents efficiently resolves the problem of low crystallization yield. © 2013 Elsevier B.V.
Authors & Co-Authors
Suberu, John O.
United Kingdom, Coventry
University of Warwick
United Kingdom, Coventry
Faculty of Science, Engineering and Medicine
United Kingdom, Cambridge
University of Cambridge
Yamin, Peyman
Germany, Aachen
Rheinisch-westfälische Technische Hochschule Aachen
Leonhard, Kai
Germany, Aachen
Rheinisch-westfälische Technische Hochschule Aachen
Song, Lijiang
United Kingdom, Coventry
Faculty of Science, Engineering and Medicine
Chemat, Smain
Algeria, Bou Ismail
Centre de Recherche Scientifique et Technique en Analyses Physico- Chimiques
Sullivan, Neil
United Kingdom, Sunderland
Sensapharm Ltd.
Barker, Guy Cameron
United Kingdom, Coventry
Faculty of Science, Engineering and Medicine
Lapkin, Alexei A.
United Kingdom, Cambridge
University of Cambridge
Statistics
Citations: 15
Authors: 8
Affiliations: 6
Identifiers
Doi:
10.1016/j.jbiotec.2013.11.024
ISSN:
01681656
e-ISSN:
18734863