This work focuses on the isolation of the genus Bacillus from the soil. The main objective is to identify more efficient aéro-anaerobic thermophilic bacilli for the production of alpha amylases. The results of the ...

Enzymes of bacterial origin represent an important source in industrial applications,such as amylases which are the main enzymes involved in the biodegradation of starch. In this study, three strains of actinomycetes were ...

Plastics in the ocean and in landfill are of great concern nowadays due to the problems they pose to the aquatic and terrestrial environment and their living organisms. The increase in the production of plastic leads clearly ...

Petroleum hydrocarbons are very harmful organic pollutants for both humans and the environment.of course, some of them may be highly toxic because of their mutagenic and / or carcinogenic properties. The biological ...

This work focuses on the development of a medicinal plant (Rosmarinus officinalis L.) that belongs to the lameaceae family and grows spontaneously in the Naama region. It is a plant widely used in traditional medicine ...

The aim of this work is to identify the technological aptitudes of four thermophilic lactic strains that have already been isolated from local cheeses, namely: The acidifying, proteolytic, and lipolytic power; the production ...

Cow's milkis a complete nutritive food, it contains most of the necessary elements for the development and maintenance of body’s functions, rich in minerals (especially calcium except of iron), proteins, vitamins and fats. ...

The intense use of antibiotics has resulted in the emergence of extremely resistant pathogenic strains, which is difficult to treat their infections that can only be effectively treated with a small group of antimicrobial ...

This work focused on the study of the effect of extracts with methanol, ethyl acetate, aceton, chloroform and water from Ephedra alata harvested in Bechar. one of the germs responsible for nosocomial infections namely ...

In the present study we isolated six bacterial morphotypes from Marrubium vulgare rhizospheric soil of, two of them (S1 and S4) belong to Streptomyces genus. Their biochemical characterization has shown that they are ...