Research Article

Isolation, Characterization, and Effect on Biofilm Formation of Bacteriocin Produced by Lactococcus lactis F01 Isolated from Cyprinus carpio and Application for Biopreservation of Fish Sausage

Table 5

Effect of organic solvents, detergents, and surfactants on bacteriocin activity.

Activity (mm)Activity (UA/ml)Residual activity (%)

Effect of organic solvents
 Control8800100
 Acetone8800100
 Chloroform8800100
 Methanol8800100
 Ethanol8800100
Effect of detergents and surfactants
 Control10800100
 SDS740070
 Urée10800100
 Tween 2010800100
 Tween 8010800100
 Triton X-10010800100
Effect of EDTA
 Control8800100
 1%10800125
 2%131600162.5
 3%141600175
 4%141600175
 5%163200200
Effect of NaCl
 Control8800100
 1%10800125
 2%10800125
 3%11800137.5
 4%121600150
 5%121600150
 6%131600162.5
 7%131600162.5

The positive control consists of an untreated solution of bacteriocin C4B. Residual activity is the percentage of activity in mm after treatment over the activity in mm of the control.