Production and Structural Characterization of Lactobacillus helveticus Derived Biosurfactant

Table 1

Phytotoxicity evaluation of biosurfactant at different concentrations on Brassica nigra.

Biosurfactant concentration	Brassica nigra
	Seed germination	Root elongation	Germination index	Vigor index
1.25 mg/mL (1/2 CMC)		105 ± 0.23
2.5 mg/mL (CMC)
5 mg/mL (2 × CMC)
Distilled water
SDS (2 mg/mL)