Name of bacteria and total number of strains Emulsification assay D160a Bacillus cereus (3) B. megaterium (3) B. subtilis (4) Branhamella catarrhalis (2) Citrobacter intermedius (5) Corynebacterium kutscheri (15) C. xerosis (2) Enterobacter aerogenes (2) Escherichia coli (6) Klebsiella ozaenae (5) Lactobacillus casei (2) L. delbrueckii (2) Proteus inconstans (6) Pseudomonas aeruginosa (23) P. fluorescens (1) P. diminuta (12) P. mallei (9) Staphylococcus aureus (3) Triton X-100 +(1) ++(2) ++(2) +++(1) ++(2) +++(2) NA +(2) ++(2) ++(10) +++(2) +(1) ++(1) +(2) +(3) NA +(2) ++(2) +(4) ++(20) +++(3) +(1) +(10) +(9) +(1) +++ Emulsification assaya: ‘NA’ - no emulsification, ‘+++’- emulsification activity D610 >3, ‘++’ - D610 2 to 2.9, and ‘+’ - D610 0.5 to 2. Values in () near ‘+’ sign are the number of positive strains in that category. Values in () near bacterial name are the total number of strains isolated.

Table 2: Emulsification assay.