Table 2: Strains used as indicator of antimicrobial activity, their source, and morphotype.

Microorganisms Source Morphotype Micrococcus luteus ATCC 9341 Gram-positive cocci Streptococcus mutans ATCC 25175 Gram-positive cocci Enterococcus faecalis ATCC 29212 Gram-positive cocci Pseudomonas aeruginosa ATCC 27853 Gram-negative bacilli Candida albicans ATCC10231 yeast