The hydrolysate of barley straw containing inhibitors can be used to produce cephalosporin C by solvent extraction using ethyl acetate
- Authors
- Kim, Sung Bong; Yoo, Hah Young; Kim, Jun Seok; Kim, Seung Wook
- Issue Date
- 12월-2014
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Dilute acid pretreatment; Inhibitory substances; Solvent extraction; Xylose fermentation; Partition coefficient
- Citation
- PROCESS BIOCHEMISTRY, v.49, no.12, pp.2203 - 2206
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROCESS BIOCHEMISTRY
- Volume
- 49
- Number
- 12
- Start Page
- 2203
- End Page
- 2206
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/96694
- DOI
- 10.1016/j.procbio.2014.10.007
- ISSN
- 1359-5113
- Abstract
- When the solvent extraction of the hydrolysate from barley straw was performed using ethyl acetate (EA), the logarithm of the partition coefficient (log P) of the phenols and furans for EA was found to be more than 1.00, which means that more than 90% of the inhibitors were removed from the hydrolysate layer. Cephalosporin C (CPC) was produced from the hydrolysate of dilute acid pretreatment (DAP) by Acremonium chrysogenum M35. A. chrysogenum M35 was cultured using the hydrolysate and the amount of CPC produced was found to be 10.35 g/L at 144h. Also, the dry cell weight was about 101.5 g/L at 120 h. The utilization of the hydrolysate for CPC production was effective and the solvent extraction method for the removal of inhibitory substances could contribute to the biorefinery process. (C) 2014 Elsevier Ltd. All rights reserved.
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