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Composition of Essential Oils from Five Endemic Hypericum Species
Organic Chemistry: Current Research

Organic Chemistry: Current Research
Open Access

ISSN: 2161-0401

+44 1478 350008

Research Article - (2013) Volume 2, Issue 1

Composition of Essential Oils from Five Endemic Hypericum Species of Turkey

Moussa Ahmed1*, Noureddine Djebli2, Saad Aissat1, Baghdad Khiati1, Salima Douichene2, Abdelmalek Meslem1 and Abdelkader Berrani1
1Institute of Veterinary Sciences University Ibn-Khaldoun, Tiaret, Algeria
2omi_departments of Biology, Faculty of Sciences, Mostaganem University, Algeria
*Corresponding Author: Moussa Ahmed, Institute of Veterinary Sciences University Ibn-Khaldoun, Tiaret, Algeria, Tel: +213 65234059, Fax: +213 65234059 Email:

Abstract

Nearly 350 Hypericum species exist on the earth, widely spreading in Europe, Asia and North Africa. 32 of 80 species growing in Turkey are endemic. The chemical composition of the essential oils obtained from the aerial parts of the H. uniglandulosum Hausskn. ex Bornm., H. scabroides Robson and Poulter, H. kotschyanum Boiss., H. salsugineum Robson and Hub.-Mor. and H. thymopsis Boiss. By using the hydro-distillation method is identified by GC and GC/ MS. Finally the results are compared with each other. The differences between the results of the H. thymopsis and H. scabroides obtained in this study and the previous studies show that the chemical compositions of the essential oils are different for the same species obtained at different locations. The essential oil compositions of these species, except for the H. thymopsis and H. scabroides are identified for the first time.

Retraction Note

The article entitled “Composition of Essential Oils from Five Endemic Hypericum Species of Turkey”, has been accepted for publication in the Organic Chemistry: Current Research considering the findings provided in the article as original results from the group of investigators (authors), which was found not having any conflict or biasness towards either publication or related matters. As the article was a research article, information provided by the author was considered as original, unpublished and the group of investigators are willing to promote their findings through this publication. Publisher took decision to make the article online solely based on the reviewers suggestion which considered the article but not a personal opinion of the author.

Soon after publication of the paper in the Volume 2 Issue 1, the authors would like to retract the paper for their personal reasons. Therefore, the journal publisher disowns the paper from the Volume 2 Issue 1. Hereafter the content of the paper may not available online in any of the publisher’s websites or related weblinks.

The published article subjected to retraction in any of the following cases; work requires further experimental investigation or found any flaws in the methodologies and or for personal reasons of the authors. This is a reminder that the retraction is an endless process when it is required and we feel proud to acknowledge the efforts of individuals those who are involved in peer-review and production processes.



Copyright: This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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