Biology department;
Faculty of Education;
Azzawiya University;
Azzawiya;
Libya;
Botany Department;
Faculty of Sciences;
Tripoli University;
Tripoli;
Libya;
Chemistry Department;
Faculty of Sciences;
Tripoli University;
Tripoli;
Libya;
Microbiology and Parasitology Department;
Faculty of Veterinary Medicine;
Tripoli University;
Tripoli;
Libya;
Macroalgae; Phytochemicals; Screening; Antibacterial; Activity;