Please use this identifier to cite or link to this item: http://cmuir.cmu.ac.th/jspui/handle/6653943832/51977
Title: Antibacterial carbazole alkaloids from Clausena harmandiana twigs
Authors: Wisanu Maneerat
Wong Phakhodee
Thunwadee Ritthiwigrom
Sarot Cheenpracha
Trinop Promgool
Kulsiri Yossathera
Suwanna Deachathai
Surat Laphookhieo
Keywords: Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-Sep-2012
Abstract: Three new carbazole alkaloids, harmandianamines A-C (1-3), together with fifteen known compounds (4-18) were isolated from the twigs of Clausena harmandiana. The structures were elucidated by spectroscopic methods, including UV, IR, NMR, and MS. The antibacterial activity against Escherichia coli TISTR 780, Salmonella typhimurium TISTR 292, Staphylococcus aureus TISTR 1466 and methicillin-resistant S. aureus (MRSA) SK1 of some isolated compounds was also evaluated. Compound 6 exhibited significant antibacterial activity against MRSA SK1 with an MIC value of 0.25 μg/mL which higher than that of standard drug, vancomycin (MIC value = 1 μg/mL) whereas compounds 14 and 5 showed strong activity with MIC values of 4 and 8 μg/mL, respectively. Only compound 14 showed strong antibacterial activity against S. aureus TISTR 1466 with an MIC value of 4 μg/mL. © 2012 Elsevier B.V. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84863989628&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/51977
ISSN: 18736971
0367326X
Appears in Collections:CMUL: Journal Articles

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