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. 2020 Jul 3;8:734. doi: 10.3389/fbioe.2020.00734

FIGURE 4.

FIGURE 4

Biosurfactant production (ST and CMD) using fish head (FH) and fish liver (FL) peptones at various concentrations as the comprehensive production medium for (A) Bacillus subtilis N3-1P; (B) Bacillus subtilis 21332. Results are expressed as the average ± SD of three independent measurements.