2020
DOI: 10.5937/jpea24-25506
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Potential of different Xanthomonas campestris strains for xanthan biosynthesis on waste glycerol from biodiesel production

Abstract: A rapid expansion of the biodiesel industry has created various ecological issues relative to crude glycerol disposal. Xanthan biosynthesis is considered one of the sustainable solutions for minimizing the adverse effects of waste crude glycerol on the environment. The initial phase of xanthan production on crude glycerol entails the screening of producing microorganism. Therefore, the purpose of this study is to examine the possibility of xanthan production on a crude glycerol-based medium using different Xan… Show more

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Cited by 5 publications
(9 citation statements)
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References 18 publications
(22 reference statements)
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“…After the cultivation, xanthan concentration in the medium was 11.10 g/L. This value is higher compared to the values obtained in previous researches, where xanthan was produced by Xanthomonas strains, isolated from pepper leaves and crucifers on a crude glycerol-based medium, but in smaller volumes (300 mL Erlenmeyer flasks and 2.0 L Woulff bottles), and where xanthan concentration in media varied from around 5.00 g/L to 8.00 g/L (Rončević, Zahović, et al 2020;Zahović et al 2022;. Moreover, xanthan concentration obtained in this study is also higher in comparison with the results obtained when reference strain Xanthomonas campestris ATCC 13951 was cultivated on a medium containing crude glycerol (15.00 g/L).…”
Section: Results and Disscusioncontrasting
confidence: 59%
“…After the cultivation, xanthan concentration in the medium was 11.10 g/L. This value is higher compared to the values obtained in previous researches, where xanthan was produced by Xanthomonas strains, isolated from pepper leaves and crucifers on a crude glycerol-based medium, but in smaller volumes (300 mL Erlenmeyer flasks and 2.0 L Woulff bottles), and where xanthan concentration in media varied from around 5.00 g/L to 8.00 g/L (Rončević, Zahović, et al 2020;Zahović et al 2022;. Moreover, xanthan concentration obtained in this study is also higher in comparison with the results obtained when reference strain Xanthomonas campestris ATCC 13951 was cultivated on a medium containing crude glycerol (15.00 g/L).…”
Section: Results and Disscusioncontrasting
confidence: 59%
“…In that research, both, inoculum I and inoculum II were incubated for 48 h and the value of xanthan concentration in cultivation medium at the end of biosynthesis was in the range from 6.58 g/L to 8.50 g/L. The value of xanthan concentration in production medium at the end of biosynthesis predicted in this study is also higher than values of xanthan content obtained in another research where Xanthomonas strains isolated from different cruciferous plants were cultivated on crude glycerol containing medium (24). Inoculum I and inoculum II used in that study were incubated for 48 h each and xanthan yield obtained under applied experimental conditions was in the range from 5.22 ± 0.21 g/L to 7.67 ± 0.53 g/L.…”
Section: Figure 1 Pareto Chart Of Standardized Effects Of Incubation ...contrasting
confidence: 66%
“…The results obtained in this research suggest that, in order to achieve the highest concentration of xanthan in the production medium at the end of the bioprocess performed under applied experimental conditions, it is necessary to incubate inoculum I for 36 h and inoculum II for 48 h. This indicate that incubation time of inoculum I can be reduced for 25% comparing to the incubation time of inoculum I from previous studies (23,24) with an increase in xanthan yield for more than 20%. Hence, this research is of great importance for reduction of xanthan production costs and minimization of the negative impact of crude glycerol from biodiesel industry on the environment.…”
Section: Optimization Of Time For Inoculum Preparationmentioning
confidence: 62%
“…One of economically and environmentally acceptable solution is potential use of crude glycerol as a raw material in biotechnological production [5,6]. Several studies indicate that certain strains of bacteria of the genus Xanthomonas possess the ability to biosynthesize xanthan on a medium containing crude glycerol as the only carbon source [7][8][9].…”
Section: Introductionmentioning
confidence: 99%
“…This indicates that there is a need for isolation of new Xanthomonas strains able to metabolize glycerol and produce xanthan. Due to this reason, other Xanthomonas strains, rather than reference strain, were used in previous studies focused on xanthan production on glycerol-based media [8,9,15,16].…”
Section: Introductionmentioning
confidence: 99%