Characterization and chemosystematics of Algerian thuriferous juniper (Juniperus thurifera L.)

Zeraib, Azzeddine; Ramdani, Messaoud; Boudjedjou, Lamia; Cartigny, Pierre; Figuredo, Gilles

doi:10.5073/jabfq.2014.087.035

Journal of Applied Botany and Food Quality; 87; 249-255 2014

DOI: 10.5073/jabfq.2014.087.035

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Characterization and chemosystematics of Algerian thuriferous juniper (Juniperus thurifera L.)

Azzeddine Zeraib

Messaoud Ramdani²,

Lamia Boudjedjou³

et al.

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Cited by 4 publications

References 20 publications

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What happens to species at the rear‐edge of their distribution in arid regions? The case of Juniperus thurifera L. in the Aurès Mountains (Algeria)

2022

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Algerian populations of Juniperus thurifera are the most restricted in terms of distribution and the least studied among all populations of the entire range of the species in the western Mediterranean region. Although this species is regarded as being of least concern according to the International Union for Conservation of Nature (IUCN), many studies have pointed to the need for its conservation, especially in North Africa, where populations are fragmented and the potential for regeneration is reduced. Understanding the current range of distribution of J. thurifera in Algeria and the environmental factors responsible for this is of key importance for the protection and restoration of these populations. In the present study, a maximum entropy approach (MaxEnt) was used to model the distribution of J. thurifera. Thirty occurrence records were analyzed in combination with climatic, topographic, and anthropogenic predictors at two different spatial resolutions (900 m and 30 m). The bestperforming model included climatic, topographic, and anthropogenic predictors, suggesting that the distribution of the species is influenced by a combination of factors, while the performance of climatic and topographic models was similar. The most important predictors of the occurrence of Algerian J. thurifera are water-related factors. However, when considering only topographic variables, altitude has a huge impact. Finally, using improved resolution for modeling distribution enhanced the prediction capability of the model (AUC = 0.942). The findings of the present study confirmed the resilience of J. thurifera, and highlighted the tolerance to drought of Algerian populations.

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What happens to species at the rear‐edge of their distribution in arid regions? The case of Juniperus thurifera L. in the Aurès Mountains (Algeria)

2022

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Chemical composition and biological activities of Algerian Santolina africana essential oil

et al. 2019

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Chemical composition, antioxidant and antibacterial activities of the essential oils of Juniperus phoenicea, Juniperus thurifera and Juniperus oxycedrus

Rahhal¹,

Gmouh²,

Hsaine³

et al. 2019

Mediterr.J.Chem.,

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This study aimed to compare the chemical composition, the antioxidant activity and the antibacterial activity of essential oils (EOs) of Juniperus phoenicea, Juniperus thurifera and Juniperus oxycedrus, obtained from Ait Bouguemez region (Province of Azilal, Morocco). The analysis by GC/MS of essential oils led to identify 37, 54 and 38 components for J. phoenicea, J. thurifera, and J. oxycedrus, respectively. Monoterpenic fraction was found predominant in essential oils of the three samples. The DPPH free radical scavenging activity showed that essential oil of J. thurifera has the strongest antioxidant activity with an IC50 value of 12.07 Î¼g/mL. The antibacterial activity showed that S. aureus was more sensitive than P. aeruginosa and E. coli for the three EOs tested.

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Characterization and chemosystematics of Algerian thuriferous juniper (Juniperus thurifera L.)

Cited by 4 publications

References 20 publications

What happens to species at the rear‐edge of their distribution in arid regions? The case of Juniperus thurifera L. in the Aurès Mountains (Algeria)

What happens to species at the rear‐edge of their distribution in arid regions? The case of Juniperus thurifera L. in the Aurès Mountains (Algeria)

Chemical composition and biological activities of Algerian Santolina africana essential oil

Chemical composition, antioxidant and antibacterial activities of the essential oils of Juniperus phoenicea, Juniperus thurifera and Juniperus oxycedrus

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