BioMed Research International

Research Article

Unraveling the Lipolytic Activity of Thermophilic Bacteria Isolated from a Volcanic Environment

Table 2

Values of the kinetic constants for the thermal deactivation kinetics as determined through nonlinear regression fitting of the experimental data in (2). Activation energies for and were determined from the Arrhenius equation through linear regression.
  SP14SP22SP29SP73SP75
70°C0.647 ± 0.0210.589 ± 0.0600.662 ± 0.0550.740 ± 0.0210.267 ± 0.030
80°C0.759 ± 0.0070.879 ± 0.0350.673 ± 0.0400.726 ± 0.0280.459 ± 0.044
90°C0.690 ± 0.0260.687 ± 0.0260.566 ± 0.0310.562 ± 0.0590.335 ± 0.005
100°C0.328 ± 0.0270.432 ± 0.0060.500 ± 0.0110.399 ± 0.0340.302 ± 0.009
   70°C2.24 ± 0.37 × 10−25.06 ± 1.14 × 10−31.43 ± 0.44 × 10−23.21 ± 0.74 × 10−22.54 ± 0.30 × 10−1
80°C1.54 ± 0.12 × 10−13.45 ± 0.36 × 10−11.57 ± 0.54 × 10−11.66 ± 0.47 × 10−12.07 ± 0.45 × 10−1
90°C2.30 ± 0.65 × 10−15.33 ± 0.36 × 10−12.04 ± 0.45 × 10−11.45 ± 0.52 × 10−13.96 ± 0.13 × 10−1
100°C3.59 ± 0.40 × 10−18.81 ± 0.37 × 10−16.47 ± 0.54 × 10−16.27 ± 1.27 × 10−11.42 ± 0.08 × 100
(kJ/mole)93.72171.58125.2493.5660.96
70°C1.82 ± 0.27 × 10−49.42 × 1.49 × 10−58.26 ± 1.13 × 10−47.06 ± 0.62 × 10−43.59 ± 1.33 × 10−4
80°C1.83 ± 0.10 × 10−34.85 ± 0.31 × 10−41.76 ± 0.64 × 10−33.21 ± 0.35 × 10−39.20 ± 1.48 × 10−3
90°C2.81 ± 0.45 × 10−34.96 ± 0.56 × 10−33.05 ± 0.66 × 10−33.27 ± 1.22 × 10−39.09 ± 0.34 × 10−3
100°C7.84 ± 2.32 × 10−31.45 ± 0.07 × 10−27.43 ± 0.68 × 10−39.42 ± 2.68 × 10−36.19 ± 0.32 × 10−2
(kJ/mole)125.29185.8580.4783.19165.09
  SP76SP79SP83SP93 
70°C0.493 ± 0.0550.639 ± 0.0130.627 ± 0.0260.662 ± 0.006 
80°C0.377 ± 0.0080.384 ± 0.0470.458 ± 0.0290.380 ± 0.011 
90°C0.270 ± 0.0480.330 ± 0.0220.254 ± 0.0530.366 ± 0.083 
100°C0.176 ± 0.0540.313 ± 0.0130.491 ± 0.0520.271 ± 0.065 
   70°C5.36 ± 1.21 × 10−27.23 ± 1.63 × 10−24.12 ± 0.53 × 10−22.57 ± 0.12 × 10−2 
80°C2.02 ± 0.08 × 10−18.01 ± 1.17 × 10−21.64 ± 0.23 × 10−17.22 ± 0.23 × 10−2 
90°C2.90 ± 0.68 10−11.48 ± 0.10 × 10−12.77 ± 0.60 × 10−12.02 ± 0.05 × 10−1 
100°C3.68 ± 0.58 10−15.05 ± 0.27 × 10−11.19 ± 0.47 × 1011.87 ± 0.46 × 100 
(kJ/mole)66.0067.92185.06147.11 
   70°C3.77 ± 0.82 × 10−31.39 ± 0.16 × 10−33.30 ± 0.24 × 10−35.63 ± 0.13 × 10−4 
80°C4.21 ± 0.25 × 10−33.04 ± 0.64 × 10−34.88 ± 0.80 × 10−31.09 ± 0.03 × 10−2 
90°C2.06 ± 0.35 × 10−27.81 ± 1.43 × 10−31.12 ± 0.49 × 10−22.62 ± 0.61 × 10−2 
100°C3.23 ± 1.50 × 10−21.77 ± 0.27 × 10−29.49 ± 0.88 × 10−27.25 ± 1.50 × 10−2 
(kJ/mole)85.2691.24115.04165.59