Application of Box-Behnken Design for the Optimized Production of Lactic Acid by Newly Isolated Lactobacillus plantarum JX183220 Using Cassava (Manihot esculenta Crantz) Flour
Journal Title: Biotechnology Journal International - Year 2015, Vol 9, Issue 2
Abstract
Aim: The present study aimed at optimization of Lactic acid production using new isolate, Lactobacillus plantarum JX183220 with cassava flour (Manihot esculenta Crantz) in semi-solid fermentation by Response Surface Methodology. Study Design: Box-Behnken design of Response Surface Methodology was used. Place: Department of Chemical Engineering and Biotechnology, ANITS, Visakhapatnam. Materials and Methods: Lactobacillus plantarum JX183220 isolated from goat milk was used for the production of Lactic acid using cassava flour (CF) in semi-solid fermentation. Different fermentation parameters such as incubation time, inoculum volume, pH, temperature, substrate concentration (cassava flour), and Calcium carbonate concentration were initially optimized in preliminary studies. The substrate concentration, temperature and pH were chosen as potential variables and further optimized using Box-Behnken design of Response Surface Methodology. A second order polynomial regression model was fitted and was found adequate with a high coefficient of determination, R2 (0.9913). Validation experiment was carried out at optimum conditions of the parameters as determined from the model. Results: The preliminary experiments revealed that maximum production of lactic acid by Lactobacillus plantarum JX183220 was observed on 4th day of incubation with 2% inoculum and 0.3% Calcium carbonate. Optimization using Box -Behnken design of RSM resulted in maximum Lactic acid production of 18.3679 g/100 g of cassava at optimum conditions of substrate concentration, 1.225%; Temperature, 36.39°C and pH 6.43. These results were confirmed by validation experiment. Conclusion: Optimum parameters for the direct conversion of cassava flour starch to Lactic acid by new isolate, Lactobacillus plantarum JX183220 were determined. Box Behnken design of RSM was found to be convenient tool with 15 runs for optimizing lactic acid production. The lactic acid production could be further enhanced by saccharification and fermentation in future studies.
Authors and Affiliations
G. H. Rao, V. Sridevi, M. Padmaja, A. Sahitya, N. Harsha Vardhan
Keywords
Related Articles
- EP ID EP237327
- DOI 10.9734/BBJ/2015/20236
- Views 98
- Downloads 0
Screening of Filamentous Fungi for Xylanases and Cellulases Not Inhibited by Xylose and Glucose
Aims: Screening different filamentous fungi for thermostable xylanases and cellulases that would not be inhibited by xylose and glucose, respectively. Methodology: Samples of fungi collected in the Atlantic forest regio...
Mitochondrial DNA Variability among Some Saudi Arabian Goat Breeds
Five hundred nucleotides of cytochrome b gene was sequenced for Pakistani, Tihami, Syrian, Masri and Aardi goat breeds inhabiting Saudi Arabia. Based on two computational maximum-parsimony and neighbor-joining methods, t...
Low Cost Micropropagation of Local Varieties of Taro (Colocasia esculenta spp.)
Aims: This study was conducted to evaluate low cost protocol for the micropropagation of three varieties of taro (Dasheen, Eddoe and wild) from eastern Kenya. Study Design: The plants were grown in polythene bags arrange...
Probiotic Properties and Antibiotic Resistance Pattern of Bacillus spp. Isolated from Two Types of Fermented Locust Bean (iru)
Bacillus spp. associated with two types of fermented African locust beans iru woro and iru pete were isolated and screened for probiotic potentials using standard microbiological techniques. The total bacterial counts fo...
Antibacterial and Hemagglutinating Activity of the Fruit Pulp of Trilepisium madagascariense DC
Aim: This study aimed at exploring the hemagglutinating and antibacterial activities of crude lectin from the fruit pulp of Trilepisium madagascariense DC. Methods: Crude lectin was obtained by maceration of the fruit a...