Département de biologie: Recent submissions

Voici les éléments 1041-1060 de 1120

Analyse physico-chimique et bactériologique de l’eau de source dans la localité de « Abdelmelek Ramdane »

BENBOUZID, Hayet; FARES, khadhra (2017)

The water from the spring « Abdelmelek Ramdane » is an important resource for drinking water for the town. Abdelmelek Ramdane, Mostaganem To this end, the present work is to perform a study of the physico-chemical point ...
L’effet de séchage de quelques plantes médicinales de la famille des lamiacées sur l’activité antibactérienne

ZIANI, NAIMA; YAHIA BEY, WAHIBA (2016)

Herbal medicine is a traditional medicine used by the population, it is also the knowledge and use of therapeutic due usually plants properties to the active secondary metabolites « active principle ». In the work we ...
Etude de l’effet bioinsecticide de l’extrait méthanoïque de Nerium oleander sur le puceron d’agrume Aphis spiraecola

Belarbi, Khada; Zamaouche, Nebia (2017)

The aphid remains the most feared pest by the farmers, the intensive use of the chemical synthesis insecticide has brought on a biosphere and the food chain contamination as well as resistant insects appearance. The toxic ...
Etude de l’activité antimicrobienne de l’huile essentielle extraite de Citrus limon, en vue de son utilisation comme conservateur alimentaire, application sur un poisson bleu

Abderrahmane, Fatima Zohra; Harrati, Mansouria (2017)

This study was carried out with the aim of valorizing lemon peel (Citrus limon) by using their essential oil as a natural preservative in Scomber japonicus. The essential oil was extracted by steam distillation, the yield ...
Etude phytochimique et activité biologique des parties aériennes (feuilles, fleurs et brindilles) de Thymelaea hirsuta.

BelKrarroubi, asma; Boussaid, Samiya (2017)

In the context of enhancing the value of natural resources, Fractions of ethanol extracts from leaves, flowers and twigs of the plant Thymelaea hirsuta L, Were tested to estimate their contents of phenolic compounds and ...
Etude phytochimique et activité biologique de mélange (feuilles, fleurs et brindilles) de Thymelaea hirsuta.

Bensikaddour, Hafidha; Bachkat, Samia (2017)

Thymelaea hirsuta is medicinal plant, is source of secondarymetabolites of interst.This work was aimed to estimal the content phénolic,evaluate the antioxidant, before extraction the content phénolic were determined by ...
Valorisation des plantes sauvages comestibles de l’ouest d’Algérie

ELHAZATI, MOSTEFA (2017)

Wild edible plants have been underestimated and abandoned for a long time in Algeria, by and large, people are now more interested in their medicinal jobs, especially those concerned with prevention. People would go to ...
Etude de la rémanence d’un savon additionné à l’huile essentielle de citron (citrus limon)

Hassi, Ahlem (2017)

This work has focused on the valorization of lemon essential oil (Citrus limon). The latter was extracted by steam distillation. The extraction yield obtained is 0.43% with a density of 0.852 which complies with the ...
Etude de l’effet des l’extraits méthanoïque des feuilles et des fleurs de Salvia officinalis sur le puceron vert des agrumes Aphis spiraecola

Boufodda, Nadjet (2017)

Among the subservient insects, citrus aphids occupy a very special place because they are considered today among the most important insect pests inducing significant economic losses. In a perspective of looking for new ...
Effets antimicrobiens de l'extraits aqueux de Thymus vulgaris(Thym) récolté dans la région de SETIF sur la qualité et la stabilité d'un lait alicament fermenté type yaourt ferme

ZAHAF, Leila; MEFTAH, Hafeda (2017)

Our experimental study is based on the effect of variation of the incorporation rates of water extract of Thymus vulgaris on the evolution of the microbiological and organoleptic physico-chemical parameters of firm ...
Composition des composés phénoliques et évaluation de leurs potentiels antioxydants : Cas de Citrullus lanatus et Cucumis melo.

BAHMED, AMIRA-IMANE; MEFLAH, ZAHRA (2018)

Watermelon (Citrullus lanatus) and melon (Cucumis melo) are plants used in phytotherapy for their many curative properties. In this study, the seeds of these two species were extracted by three different solvents (distilled ...
Activité antibactérienne de l’huile essentielle de deux épices : Syzygium Aromaticum et Illicium Verum.

Boukhatem, Fadhila (2017)

Essential oils possess significant antimicrobial activity and can substitute. With success to antibiotics that show their inefficiencies against resistant microorganisms, this led us to carry out a chemical analysis and ...
Etude de l’effet bioinsecticide de l’extrait méthanoïque de Mentha piperita sur le puceron Aphis spiraecola

Benzait, Sara; Baghdad, Hanane (2017)

This study aims at proposing alternative solutions based on the use of natural products « bio pesticides of vegetal origins ». In this context, we have evaluated the insecticidal activity of méthanoïque of plant Mentha ...
Contribution à l'optimisation des paramètres influencent l'hydrodistilation de zingiber officinale

BENHASNA, MOKHTAR; HADJAR MOHAMMED, AMINE (2017)

His work aims at optimizing the parameters influencing the extraction of the essential oil of Zingiber officinal. By hydrodistillation, the main parameters studied are the temperature, hydromodule and duration of extraction. ...
Examen cytobactériologique des urines (ECBU)

Saadi, Imene; Belalia, Zohra (2016)

L’objectif de ce travail était de décrire la présentation clinique et microbiologique des infections urinaires. Notre travail a été effectué au niveau de laboratoire central de l’EPH « Che guévara », service bactériologie. ...
L’intérêt de spermogramme et Spermoculture dans l'exploration de la stérilité des couples

Rehamnia, Asma; Bettahar, Ahlem (2017)

La stérilité masculine est. encore appelée infertilité masculine. IL s'agit de l'impossibilité pour un homme d'assurer une procreation du fait d'une défaillance qualitative ou quantitative du sperme. L'infertilité ...
Étude de La rémanence d’un savon additionné à l’huile essentielle de citron (Citrus limon).

BENNAMA, Wafa (2016)

This thesis has aimed to test in vivo efficacy and persistence of a soap added to the essential oil of lemon (Citrus limon), at the hand disinfection. No such study has been carried out before. Several bacteriological ...
Tests de susceptibilité moléculaire et phénotypique des antituberculeux au Gabon, performances des tests MTBDRplus, MTBDRsl et SIRE

M’BOUROU NDOMBI, Fred (2017)

Tuberculosis is one of the most infectious diseases with the highest rate of contagiousness in the world. It is caused by bacteria of the Mycobacterium tuberculosis complex, which predominantly attacks the lungs, but can ...
Isolement, purification et identification des bactéries lactiques à partir de lait cru de chèvre

BERRADIA, AMOURIA (2016)

Lactic acid bacteria have acquired great importance by their presence in the food industry and for a longtime. Isolation of lactic strains from three samples of raw goat's milk from three regions in the wilaya of Mostaganem, ...
Effet d’incorporation de la farine de caroube sur les paramètres organoleptiques, physico-chimiques et microbiologiques d’un lait fermenté type yaourt

FATMI, MOHAMED (2016)

In this work, we are interested in studying the use of carob flour in the production of fermented milk (yoghurt type) aims to diversify dairy and specifically creates another type of yogurt, which can meet the market ...

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