. 2018 Oct 25;8(6):e00742. doi: 10.1002/mbo3.742

Table 3.

Test for biosurfactant properties of potential isolates

Isolates	Test substance
	Drop collapse
	Blood agar^a	Microplate assay	Vegetable oil^b	Motor engine oil^b	Kerosene^b	Hexadecane^b	Parafilm^b
BS1.1	●	●●	●	●	●	●	●
BS3.5	●	○	●	●	●	○	●
BS5.5	●	○	○	○	●	○	○
BS6.3	●	○	○	○	○	○	○
BS8.5	●	○	○	○	○	○	○
BS8.6	●	●●	○	●	●	●	●
BS10.5	●	●●	●	●	●	●	●
Water	○	○	○	○	○	○	○
SDS	●	●●	●	●	●	●	●

a = hemolysis test: b‐hemolysis (●), no hemolysis (○); b = Drop collapse assay ●: collapse; ○: no collapse; hemolysis test ●: positive; ○: negative; drop collapse test: negative (○), spreading (●), comparable with sds (●); microplate assay: optical distortion comparable with water (○), optical distortion comparable with sds (●●).