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Title of Journal: J Ind Microbiol Biotechnol

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Abbravation: Journal of Industrial Microbiology & Biotechnology

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Springer-Verlag

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DOI

10.1007/bf00586901

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1476-5535

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Xylitol production from DEO hydrolysate of corn st

Authors: Rita C L B Rodrigues William R Kenealy Thomas W Jeffries
Publish Date: 2011/03/22
Volume: 38, Issue: 10, Pages: 1649-1655
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Abstract

Corn stover that had been treated with vaporphase diethyl oxalate released a mixture of mono and oligosaccharides consisting mainly of xylose and glucose Following overliming and neutralization a dxylulokinase mutant of Pichia stipitis FPLYS30 xyl3∆1 converted the stover hydrolysate into xylitol This research examined the effects of phosphoric or gluconic acids used for neutralization and urea or ammonium sulfate used as nitrogen sources Phosphoric acid improved color and removal of phenolic compounds dGluconic acid enhanced cell growth Ammonium sulfate increased cell yield and maximum specific cell growth rate independently of the acid used for neutralization The highest xylitol yield 061 gxylitol/gxylose and volumetric productivity 018 gxylitol/gxylose l were obtained in hydrolysate neutralized with phosphoric acid However when urea was the nitrogen source the cell yield was less than half of that obtained with ammonium sulfate

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  2. Wood pulp as an immobilization matrix for the continuous production of isopropanol and butanol
  3. Persistence of Methanosaeta populations in anaerobic digestion during process instability
  4. Biorefining of wood: combined production of ethanol and xylanase from waste fiber sludge
  5. Do we need new antibiotics? The search for new targets and new compounds
  6. Sporicidal efficacy of pH-adjusted bleach for control of bioburden on production facility surfaces
  7. A novel methodology independent of fermentation rate for assessment of the fructophilic character of wine yeast strains
  8. Engineered glucose isomerase from Streptomyces sp. SK is resistant to Ca 2+ inhibition and Co 2+ independent
  9. Universal species concept: pipe dream or a step toward unifying biology?
  10. A strategy to prevent the occurrence of Lactobacillus strains using lactate-tolerant yeast Candida glabrata in bioethanol production
  11. Recent biotechnological progress in enzymatic synthesis of glycosides
  12. Enhanced production of poly(3-hydroxybutyrate- co -4-hydroxybutyrate) copolymer with manipulated variables and its properties
  13. Comparison of the secondary metabolites in two scales of cephalosporin C (CPC) fermentation and two different post-treatment processes
  14. Clostridium beijerinckii mutant with high inhibitor tolerance obtained by low-energy ion implantation
  15. Enhanced production of CoQ 10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process
  16. Enhanced production of CoQ 10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process
  17. Ivan Málek and the Institute of Microbiology
  18. Polyhydroxyalkanoate biosynthesis and simultaneous remotion of organic inhibitors from sugarcane bagasse hydrolysate by Burkholderia sp.
  19. A whole cell biocatalyst for double oxidation of cyclooctane
  20. SlnM gene overexpression with different promoters on natamycin production in Streptomyces lydicus A02
  21. A multi-factors rational design strategy for enhancing the thermostability of Escherichia coli AppA phytase
  22. Use of interdelta polymorphisms of Saccharomyces cerevisiae strains to monitor population evolution during wine fermentation
  23. Antimicrobial susceptibility of Lactobacillus species isolated from commercial ethanol plants
  24. Distribution of live and dead cells in pellets of an actinomycete Amycolatopsis balhimycina and its correlation with balhimycin productivity
  25. Enhanced 1,3-propanediol production by supply of organic acids and repeated fed-batch culture
  26. Enhancement of extracellular purine nucleoside accumulation by Bacillus strains through genetic modifications of genes involved in nucleoside export
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  28. Fungal β-glucosidase expression in Saccharomyces cerevisiae
  29. Development of a biochip using antibody-coated gold nanoparticles to detect specific bioparticles
  30. Significance of oxygen carriers and role of liquid paraffin in improving validamycin A production
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