Profiling of Indigenous Biosurfactant-Producing Bacillus Isolates in the Bioremediation of Soil Contaminated by Petroleum Products and Olive Oil

Table 2

Biosurfactants profiles secreted by Bacillus sp.

Isolates	HCl precipitation	Ammonium sulphate precipitation	Alcohol precipitation	Chloroform extraction
SB2	+	+	+	+
SB3	+	+	+	+
SB4	+	+	+	+
SB5	+	+	+	+
SB6	+	+	+	+
SO10	+	+	+	+
SO14	+	+	+	+
SO18	+	+	+	+
M14	+	+	−	+
M23	+	+	+	+
M26	+	+	+	+
M27	+	+	+	+
M28	+	+	+	+
M29	+	+	+	+
M30	+	+	+	+
ST45	+	+	+	+
ST49	+	+	+	+
ST54	+	+	+	+
ST55	+	+	+	+
ST67	+	+	+	+
ST70	+	+	+	+