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DOI:	10.1371/journal.pone.0149332
论文题名:	Non-Oxygenated Sesquiterpenes in the Essential Oil of Copaifera langsdorffii Desf. Increase during the Day in the Dry Season
作者:	Luiz Fernando Rolim de Almeida; Roberto de Oliveira Portella; Jennifer Bufalo; Márcia Ortiz Mayo Marques; Roselaine Facanali; Fernando Frei
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-2-17
卷:	11, 期:2
语种:	英语
英文关键词:	Oils ; Seasons ; Leaves ; Seasonal variations ; Diurnal variations ; Terpenes ; Principal component analysis ; Rain
英文摘要:	The present study aimed to evaluate the effect of seasonal and diurnal events on the chemical profile of the essential oil obtained from the leaves of Copaifera langsdorffii Desf. This study was performed in a Brazilian savanna named Cerrado. We identified the best harvesting period for obtaining the highest amount of compounds used for commercial and industrial purposes. The chemical profile of the essential oils was evaluated by GC-FID and GC-MS, and the results were assessed through multivariate analyses. The data showed that the time of day and seasonal variations affect the quality of the essential oil obtained. Leaves harvested at the end of the day (5:00 pm) in the dry season resulted in richer essential oils with higher amounts of non-oxygenated sesquiterpenes. To the best of our knowledge, environmental conditions induce metabolic responses in the leaves of C. langsdorffii, which changes the patterns of sesquiterpene production. Therefore, these factors need to be considered to obtain better concentrations of bioactive compounds for pharmacological studies.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0149332&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/25138
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0149332.PDF（583KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Botany, Institute of Biosciences of Botucatu, Univ. Estadual Paulista, (UNESP), 18618–970, P.O. Box: 510, Botucatu, Sao Paulo, Brazil;Department of Botany, Institute of Biosciences of Botucatu, Univ. Estadual Paulista, (UNESP), 18618–970, P.O. Box: 510, Botucatu, Sao Paulo, Brazil;Department of Botany, Institute of Biosciences of Botucatu, Univ. Estadual Paulista, (UNESP), 18618–970, P.O. Box: 510, Botucatu, Sao Paulo, Brazil;Agronomic Institute, IAC, 13001–970, P.O. Box: 28, Campinas, Sao Paulo, Brazil;Agronomic Institute, IAC, 13001–970, P.O. Box: 28, Campinas, Sao Paulo, Brazil;Department of Biological Sciences, Univ. Estadual Paulista (UNESP), 19800–000, Assis, Sao Paulo, Brazil

Recommended Citation:

Luiz Fernando Rolim de Almeida,Roberto de Oliveira Portella,Jennifer Bufalo,et al. Non-Oxygenated Sesquiterpenes in the Essential Oil of Copaifera langsdorffii Desf. Increase during the Day in the Dry Season[J]. PLOS ONE,2016-01-01,11(2)

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