Azzeddine Zeraib

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Verified

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• PhD
• Head of Department at Abbès Laghrour University of Khenchela

Juniper forests (Juniperus thurifera L.) are among the most valuable forest ecosystems in the mountains of Algeria. Numerous studies have focused on enhancing the germination capacity of juniper seeds. This particular study aimed at breaking the seed dormancy by employing pretreatment methods involving sulphuric acid and gibberellic acid (AG3). To...

Background Despite the widespread use of Ephedra altissima plant in traditional Algerian medicine, the biological potential of this species has still not been well explored. Objective This study, for the first time, focused on determining the effect of extraction methods and solvents on the phenolic content and antioxidant ability of the aerial pa...

The present study evaluated the potential of Salvia balansae from the Aures Mountains as a source of natural bioactive compounds. Leaves, flowers, and stems were extracted separately using methanol, ethanol, and acetone. Phenolic compounds were quantified colorimetrically and identified using liquid chromatography coupled with mass spectrometry (LC...

Aphids are important pests in fields and orchards. The use of chemical insecticides as the main control method resulted in many ecological and health problems. Thus, the development of alternative methods, such as botanical bio-pesticides becomes indispensable in recent years. In this context, we studied the insecticidal and repellent effects of di...

The aphid Aphis pomi represents an important pest of apples. The use of botanical extracts may be a safe and effective way to control this pest. In this context, we studied the aphicidal and repellent effects of aqueous extracts of Salvia microphylla against A. pomi. Five concentrations were tested on two main aphid parameters: mortality rate and p...

The aphid Aphis pomi represents an important pest of apples. The use of botanical extracts may be a safe and effective way to control this pest. In this context, we studied the aphicidal and repellent effects of aqueous extracts of Salvia microphylla against A. pomi. Five concentrations were tested on two main aphid parameters: mortality rate and p...

The study aimed to determine concentrations of some trace elements (Fe, Mn, and Pb) in soils of five sites in Northeast Algeria (Sidi Ammar, Drean, Chatt, Besbes, and El-Kala) during the spring and autumn of 2019. All of the sites were chosen due to their proximity to industrial factories. In addition, the activity of glutathione S-transferase (GST...

The main objective of this study is to understand the functioning of oak groves of Quercus ilex L. in the Aurès (eastern Algeria), by estimating the quantities of litter and their contribution of N P K elements. The quantities of litter were evaluated over a period of two years (2012 and 2013) in the oak grove of Larbaa (south of the province of Ba...

The black bean aphid Aphis fabae constitutes a dangerous pest. The use of pesticides provokes undesirable effect on the environment and the human health. Thus, the research for methods with low negative secondary effect becomes very important. The purpose of this study is the screening of the aphicidal activity of extracts from Marrubium deserti an...

APHICIDAL AND REPELLENT ACTIVITIES OF PLANT EXTRACTS FROM Hertia cheirifolia L. AND Marrubium deserti de Noé

Antibiotic resistance has been called one of the world’s most pressing public health threats. The combination of essential oils with conventional antibiotics is one of the emerging approaches that could help prevent this problem. In light of this, this study aimed to investigate the impact of combination of Ruta montana essential oil with conventio...

Mill. Pinus halepensis) ‫على‬ ‫إعادة‬ ‫توزيع‬ ‫األمطار‬ ‫تحت‬ ‫مناخ‬ ‫حيوي‬ ‫جاف‬ ‫شبه‬) ‫شرق‬ ‫الجزائر‬ .(‫النباتي‬ ‫الغطاء‬ ‫ل‬ ‫الصنوبر‬ ‫غابات‬ ‫الحلبي‬ ، ‫إنتشارا‬ ‫األكثر‬ ‫الجزائر،‬ ‫في‬ ‫المساحة‬ ‫حيث‬ ‫من‬ ‫دور‬ ‫له‬ ‫هيدرولوجي‬ ‫هام‬ ‫جد‬ ‫ا‬ ‫توزيع‬ ‫إعادة‬ ‫في‬ ‫جريان)‬ + ‫(تقطير‬ ‫الغابية‬ ‫التربة‬ ‫إلى‬ ‫تصل‬ ‫التي‬ ‫األمطار‬ ‫صافي‬ ‫...

The forest cover of the Aleppo pine (Pinus halepensis Mill.), which is currently the most dominant tree in Algeria, plays a very important hydrological role in the redistribution of the rains by controlling on the one hand the volumes of the net rains (throughfall and stemflow) that cross the forest canopy and on the other hand the volumes that nev...

The aim of this study was to screen the nutritive value and the effects of anti-nutritional secondary compounds (condensed tannins) on in vitro rumen fermentation and methane mitigation of Algerian steppe browse species: Albizia julibrissin (pods), Acacia nilotica (pods), Punica granatum (leaves and pericarp), Vicia faba (leaves), Artemisia herba-a...

Abstract: Background and Objective: The essential oils of Artemisia herba-alba and Vitex agnus-castus have been the subject of several studies in different countries including Algeria but never been studied together. The available data showed a great variability in the chemical composition. The present work deals with the composition of the essenti...

The aim of this study was to screen the nutritive value and the effects of anti-nutritional secondary compounds (condensed tannins) on in vitro rumen fermentation and methane mitigation of Algerian steppe browse species: Albizia julibrissin (pods), Acacia nilotica (pods), Punica granatum (leaves and pericarp), Vicia faba (leaves), Artemisia herba-a...

The chemical composition and the biological activities of the essential oil (EO) extracted by hydrodistillation from the aerial parts of Algerian population of Santolina africana have been studied. S. Africana EO was chemically characterized by means of GC–MS. Forty-six compounds were identified representing ∼92% of the total oil. β-pinene (11.65%)...

The excessive use of pesticides has created many problems for both human health and the environment. Therefore, the search for alternative methods has become a necessity. This study aims to test the effect of aqueous extracts of three plant species (Pistacia atlantica, Marrubium vulgare and Thymus algeriensis) on the larvae of the black bean aphid...

Background: Over the past decade, most antibiotic research programs have focused on finding new compounds with antimicrobial activity. This study aims to investigate the chemical composition and antibacterial activity of the essential oil (EO) extracted from ripe berries of Algerian Juniperus thurifera var. aurasiaca. Methods: The chemical composit...

With the increase of the world’s population, the demand for food has increased and accompanied by use of pesticides, which constitute a risk to the health and the environment. This work aims to study the effect of aqueous extracts of four plants (Artemisia herba-alba, A. campestris, Myrtus communis and Ruta montana), on the larvae of Aphis fabae un...

The aim of this work is to determine the quantity, the quality, the antimicrobial activity and the antioxidant power of various extracts of the flavonoids obtained from the flowers of Tamarix africana Poir. The quantification of the extracts obtained was revealed in high yield of the flavonoids with respectively: the methanoic extracts (26.31%), th...

The research of new control methods that have low negative effects represent an alternative aiming to limit disadvantages of chemical control of pests. This study aimed to test the effect of 11 aqueous plant extracts belonging to four species (Santolina africana, Juniperus thurifera, Artemisia herba-alba and Pituranthos scoparius), on the larvae of...

Leaf essential oils (EO) of Juniperus thurifera L. collected at six locates from Aures Mountains in Algeria, were analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC/MS). The main components identified were: sabinene (5.2-19.78 %), terpinene-4-ol (5.43-9.37 %), elemol (0.69-7.61 %), Δ-cadinene (3.26-6.11 %). Terpenoids...

The qualitative and quantitative composition of the essential oils obtained from male and female leaves of Juniperus thurifera L., (growing in Algeria) has been investigated for the first time. The essential oils were obtained by hydrodistillation (0.45% from female trees and 0.53% from male trees, v/w dried material) and analyzed by gas choromatog...

The present study evaluates the chemical composition and antimicrobial activity of essential oils (EOs) of Juniperus Phoenicea of five localities from eastern Algeria. The analysis and identification of the components of the Eos was performed using the (GC-MS). The average yield of essential oil of the samples is 0.82%. The chemical composition of...

The extraction of essential oils from the aerial parts of two populations (region of Biskra (El-Kantra (Biskra) and Méchonche (Biskra), ALGERIA) of the species Pituranthos scoparius by steam distillation is followed by a chemical analysis by gas chromatography coupled to mass spectrometry (GC / MS). This analysis showed that these essential oils ar...

Essential oils extracted from dried leaves of Cupressus dupreziana A. Camus, an endemic species in the Tassili n'Ajjer (Sahara Central Algeria), were analysed by gas chomatography coupled to mass spectrometry (GC-MS). Terpinoid analyses were performed on 13 trees in the natural population of Hahadjerine in order to determine the intra-population va...

The essential oils of the aerial parts of two populations of Moricandia arvensis in the Setif region (Algeria) were analyzed by gas chromatography and mass spectrometry (GC-MS). Thirty compounds were identified from the oils of M. arvensis, representing 80.8% of the total essential oil of southern population and 19 compounds of the population north...

L’analyse biométrique de 17 populations de l'espèce Moricandia arvensis, récoltées de déférentes régions de l’Est Algérien, est basée sur 27 caractères morphologiques. Cette étude a confirmé la présence de deux sous espèces et 6 variétés. Les nombres chromosomiques des populations sont de 2n = 28 et 2n = 56. Les résultats caryologiques viennent con...