Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 102: Issue 1
Activity of berberine on Shigella dysenteriae investigated by microcalorimetry and multivariate analysis
Authors:
Weijun Kong

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Zulun Li Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137 Sichuan People’s Republic of China

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Xiaohe Xiao China Military Institute of Chinese Materia Medica, 302 Military Hospital of China, 100039 Beijing, People’s Republic of China

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Yanling Zhao China Military Institute of Chinese Materia Medica, 302 Military Hospital of China, 100039 Beijing, People’s Republic of China

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Ping Zhang China Military Institute of Chinese Materia Medica, 302 Military Hospital of China, 100039 Beijing, People’s Republic of China

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Pages:
331–336
Online Publication Date:
12 Apr 2010
Publication Date:
01 Oct 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-010-0778-9
Keywords:
Berberine; S. dysenteriae ; Microcalorimetry; Multivariate analysis
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Abstract  

In this study, the microcalorimetric method was applied to investigate the activity of berberine on Shigella dysenteriae (S. dysenteriae). Heat flow power (HFP)–time curves of the growth metabolism of S. dysenteriae affected by berberine were determined using the thermal activity monitor (TAM) air isothermal microcalorimeter, ampoule mode, at 37 °C. By analyzing these curves and some quantitative parameters using multivariate analytical methods, similarity analysis (SA) and principal component analysis (PCA), the antibacterial activity of berberine on S. dysenteriae could be accurately evaluated from the change of the two main parameters, the maximum heat flow power Pm2 and total heat output Qt: berberine at low concentration (25 μg mL−1) began to inhibit the growth of S. dysenteriae, high concentrations (50–200 μg mL−1) of berberine had strong antibacterial activity on S. dysenteriae, when the concentration of berberine was higher (250–300 μg mL−1), this antibacterial activity was stronger. All these illustrated that the antibacterial activity of berberine on S. dysenteriae was enhanced with the increase of the concentration of this compound. Berberine can be used as potential novel antibacterial agent for treating multidrug-resistant Shigella. This work provided a useful idea of the combination of microcalorimetry and multivariate analysis for studying the activity of other compounds or drugs on organisms.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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