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Zeitschrift für Naturforschung C

A Journal of Biosciences

Editor-in-Chief: Seibel, Jürgen

Editorial Board Member: Aigner , Achim / Boland, Wilhelm / Bornscheuer, Uwe / Hoffmann, Klaus

12 Issues per year


IMPACT FACTOR 2016: 0.835

CiteScore 2016: 0.72

SCImago Journal Rank (SJR) 2016: 0.222
Source Normalized Impact per Paper (SNIP) 2016: 0.413

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ISSN
1865-7125
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Volume 55, Issue 11-12 (Dec 2000)

Issues

Antibacterial Activity of Citrus reticulata Peel Extracts

Gudddadarangavvanahally K. Jayaprakasha / Pradeep S. Negi / Sagarika Sikder / Lingamallu Jagan Mohanrao / Kurian K. Sakariah
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znc-2000-11-1230

Citrus peels were successively extracted with hexane, chloroform and acetone using a soxhlet extractor. The hexane and chloroform extracts were fractionated into alcohol-soluble and alcohol-insoluble fractions. These fractions were tested against different gram positive and gram negative bacteria. The EtOH-soluble fraction was found to be most effective. Fractionation of EtOH -soluble fraction on silica gel column yielded three polymethoxylated flavones, namely desmethylnobiletin, nobiletin and tangeretin. Their structures were confirm ed by UV, 1H, 13C NMR and mass spectral studies. The findings indicated a potential of these natural compounds as bio preservatives in food applications.

Keywords : Citrus reticulata; Polym ethoxylated Flavones; Antimicrobial Activity

About the article

Received: 2000-07-03

Revised: 2000-08-21

Published Online: 2014-06-02

Published in Print: 2000-12-01


Citation Information: Zeitschrift für Naturforschung C, ISSN (Online) 1865-7125, ISSN (Print) 0939-5075, DOI: https://doi.org/10.1515/znc-2000-11-1230.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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