spontaneous plants of septentrional sahara of algerian: cotula cinerea and chamomilla recutita and their biological study

The aim of our study is to determine the antimicrobial and antifungal effect of essential oils of two plants cotula cinerea and chamomilla recutita on some pathogenic bacteria and fungal. it is a medicinal plant used in traditional therapy. essential oils have many therapeutic properties. in herbal medicine, they are used for their antiseptic properties against infectious diseases of fungal origin, against dermatophytes, those of bacterial origin. essential oils have many therapeutic properties. in herbal medicine, they are used for their antiseptic properties against infectious diseases of fungal origin, against dermatophytes, those of bacterial origin. humans use plants for thousands of years to treat various ailments, in many developing countries; much of the population relies on traditional doctors and their collections of medicinal plants to cure them. the test adopted, is based on the diffusion method on solid medium (antibiogram), this method allows to determine the susceptibility or resistance of an organism according to the sample studied. our study reveals that the essential oil of the plants cotula cinerea and chamomilla recutita have a different effect on the resistance of germs.