Production of microbial cellulose: Response surface methodology approach
Parmjit S Panesar1, Yogita Chavan1, Harish K Chopra2
1Biotechnology Research Laboratory, Department of Food Engineering & Technology, Sant Longowal Institute of Engineering and Technology, Longowal 148 106, Punjab, India.
Carbohydrate Polymers
|October 19, 2021
Summary
Acetobacter aceti MTCC 2623 efficiently produces microbial cellulose. Response surface methodology optimized conditions for maximum cellulose yield and sugar utilization.
Area of Science:
- Biotechnology
- Microbiology
- Biomaterials Science
Background:
- Microbial cellulose (MC) offers unique properties for various applications.
- Acetobacter species are known for their cellulose production capabilities.
- Optimization of fermentation conditions is crucial for maximizing MC yield.
Purpose of the Study:
- To evaluate the potential of Acetobacter aceti MTCC 2623 for microbial cellulose production.
- To optimize process parameters for enhanced cellulose yield and sugar consumption.
- To characterize the structure of the produced microbial cellulose.
Main Methods:
- Utilized Acetobacter aceti MTCC 2623 as the microbial strain.
- Employed Response Surface Methodology (RSM) for process optimization.
- Analyzed cellulose structure using Fourier-Transform Infrared (FT-IR) spectroscopy.
Main Results:
- Achieved a maximum cellulose production of 1.73 g/L.
- Attained 99.8% sugar utilization under optimized conditions.
- Identified optimal parameters: 2.25% glucose, 1.16% sodium nitrate, pH 7, 27.5°C, and 159h incubation.
Conclusions:
- Acetobacter aceti MTCC 2623 is a promising strain for microbial cellulose production.
- RSM is an effective tool for optimizing fermentation parameters.
- The study provides a foundation for scalable microbial cellulose bioproduction.
