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Screening and Optimization of Cultural Conditions for Production of Thermophilic Mannanase from Bacillus megaterium

Screening and Optimization of Cultural Conditions for Production of Thermophilic Mannanase from Bacillus megaterium

Tanzeela Riaz, Fiza Sana-Ullah Khan, Farah Rauf Shakoori

Department of Zoology, University of the Punjab (FRS, FSK) Lahore, Pakistan.

Corresponding author: Tanzeela Riaz, [email protected]

 

Figure 1:

Zone of Hydrolysis of mannanase activity of bacterial isolates.

Figure 2:

Growth of microorganism over different temperature.

Figure 3:

Growth of microorganism on different pH.

Figure 4:

Effect of medium composition on mannanase production at 24 hrs incubation.

Figure 5:

Effect of medium composition on mannanase production at 48 hrs incubation.

Figure 6:

Effect of medium composition on mannanase production at 72 hrs incubation.

Figure 7:

Effect of medium composition on mannanase production at 96 hrs incubation.

Figure 8:

Effect of medium composition on mannanase production at 120 hrs incubation.

Figure 9:

Effect of temperature on mannanase production.

Figure 10:

Effect of incubation time on mannanase production.

Figure 11:

Effect of pH on mannanase production.

Figure 12:

Effect of carbon sources on mannanase production.

Figure 13:

Effect of substrate concentration on mannanase production.

Figure 14:

Production of mannanase at optimized conditions.

Punjab University Journal of Zoology

June

Vol.39, Iss. 1, Pages 01-134

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