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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Kyung Min Choi, Okkyoung Kim, Ki Yeon Woo, Han Min Kim, Yunje Han, Sung Ok Sang, Byoung In Um, Youngsoon |
| Copyright Year | 2015 |
| Abstract | To produce butyric acid from red algae such as Gelidium amansii in which galactose is a main carbohydrate, microorganisms utilizing galactose and tolerating inhibitors in hydrolysis including levulinic acid and 5-hydroxymethylfurfural (HMF) are required.A newly isolated bacterium, Clostridium sp. S1 produced butyric acid not only from galactose as the sole carbon source but also from a mixture of galactose and glucose through simultaneous utilization. Notably, Clostridium sp. S1 produced butyric acid and a small amount of acetic acid with the butyrate:acetate ratio of 45.4:1 and it even converted acetate to butyric acid. Clostridium sp. S1 tolerated 0.5–2 g levulinic acid/l and recovered from HMF inhibition at 0.6–2.5 g/l, resulting in 85–92 % butyric acid concentration of the control culture. When acid-pretreated G. amansii hydrolysate was used, Clostridium sp. S1 produced 4.83 g butyric acid/l from 10 g galactose/l and 1 g glucose/l. Clostridium sp. S1 produces butyric acid from red algae due to its characteristics in sugar utilization and tolerance to inhibitors, demonstrating its advantage as a red algae-utilizing microorganism. |
| Starting Page | 1837 |
| Ending Page | 1844 |
| Page Count | 8 |
| File Format | |
| ISSN | 01415492 |
| Journal | Biotechnology Letters |
| Volume Number | 37 |
| Issue Number | 9 |
| e-ISSN | 15736776 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2015-05-31 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biofuel Butyric acid fermentation Clostridium Galactose Gelidium amansii Red algae hydrolysate Microbiology Biotechnology Applied Microbiology Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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