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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.9
- 수록면
- 246 - 253 (8page)
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The effects of carbon-to-nitrogen (C/N) ratio in simulated rice straw hydrolysates using glucose and ammonium chloride on polyhydroxyalkanoates (PHA) accumulation by Cupriavidus necator was investigated. In general, PHA accumulation rate was higher under higher degrees of N-deficient conditions (e.g., C/N ratio of 360:1) than lower degrees of N-deficient conditions (e.g., C/N ratio of 3.6:1 and 36:1). Also, the most PHA accumulation was observed during the first 12 h after the PHA accumulation initiation. This study showed that the similar PHA accumulation could be achieved by using different accumulation periods depending on C/N ratios. N source presence was important for new cell production, supported by approximately ten times greater PHA accumulation under the N-deficient condition (NH₄Cl 0.01 g/L) than the N-free (without NH₄Cl) condition after 96 h. C/N ratio of the rice straw hydrolysate was approximately 160:1, based on the glucose content, and this accumulated 0.36±0.0033 g/L PHA with PHA content of 21±3.1% after 12 h. Since external C or N source addition for C/N ratio adjustment increases production cost, an appropriate accumulation period may be used for PHA accumulation from organic wastes, based on the PHA accumulation patterns observed at various C/N ratios and C and N concentrations.
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참고문헌 (31)
참고문헌 신청
[학술지(정기간행물)] - Chanprateep S / 2010 / Current trends in biodegradable polyhydroxyalkanoates / J. Biosci. Bioeng 110 : 621 ~ 632
[학술지(정기간행물)] - Madkour MH / 2013 / PHA recovery from biomass / Biomacromolecules 14 : 2963 ~ 2972
[학술지(정기간행물)] - Akaraonye E / 2010 / Production of polyhydroxyalkanoates:the future green materials of choice / J. Chem. Technol. Biot 85 : 732 ~ 743
[학술지(정기간행물)] - FitzPatrick M / 2010 / A biorefinery processing perspective: Treatment of lignocellulosic materials for the production of value-added products / Bioresour. Technol 101 : 8915 ~ 8922
[학술지(정기간행물)] - Davis R / 2013 / Conversion of grass biomass into fermentable sugars and its utilization for medium chain length polyhydroxyalkanoate (mcl-PHA) production by Pseudomonas strains / Bioresour. Technol 150 : 202 ~ 209
[학술지(정기간행물)] - Madkour MH / 2013 / PHA recovery from biomass / Biomacromolecules 14 : 2963 ~ 2972
[학술지(정기간행물)] - Akaraonye E / 2010 / Production of polyhydroxyalkanoates:the future green materials of choice / J. Chem. Technol. Biot 85 : 732 ~ 743
[학술지(정기간행물)] - FitzPatrick M / 2010 / A biorefinery processing perspective: Treatment of lignocellulosic materials for the production of value-added products / Bioresour. Technol 101 : 8915 ~ 8922
[학술지(정기간행물)] - Davis R / 2013 / Conversion of grass biomass into fermentable sugars and its utilization for medium chain length polyhydroxyalkanoate (mcl-PHA) production by Pseudomonas strains / Bioresour. Technol 150 : 202 ~ 209
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UCI(KEPA) : I410-ECN-0101-2017-539-001539705