Table 5: Productivity in xanthan gum (g·L−1) and viscosity (mPa·s) by strains of Xanthomonas campestris with different concentrations of aqueous shrimp shell extract.

X. campestris UnitConcentration of the shrimp shell used in the aqueous extract (%)
2%5%6%7%8%9%10%

1182g·L−12.64 ± 0.12.90 ± 0.33.16 ± 0.43.59 ± 0.33.78 ± 0.14.14 ± 0.24.64 ± 0.4
mPa·s*99.9682.8379.9764.2362.9943.2448.53

254g·L−12.60 ± 0.12.73 ± 0.22.86 ± 0.13.15 ± 0.13.95 ± 0.14.3 ± 0.14.14 ± 0.2
mPa·s*85.5985.2474.2151.8751.1437.7937.76

629g·L−11.95 ± 0.22.01 ± 0.32.14 ± 0.12.38 ± 0.42.49 ± 0.22.56 ± 0.12.65 ± 0.2
mPa·s*86.9076.5446.8630.9819.8819.5411.90

aqueous xanthan gum solution, 25 s−1 and 25°C.