antibacterial activity and morphological alteration of pathogenic bacteria after treatment with coscinium fenestratum [gaertn.] colebr extract
introduction
infectious diseases are one of the most important problem found in thailand. most of diseases are usually caused by bacteria. for many years , antibiotics have been used to treat bacterial infection, however, many strains of bacteria are developing resistant to antibiotic agents [sawanson, 2003]. therefore, it is important to find new anti-bacterial activities from natural sources that are effective for treatment of pathogenic bacteria. c.