[DOWNLOAD] "Optimising Carbon and Nitrogen Sources for L-Glutamic Acid Production by Brevibacterium Strain NIAB Ss-67 (Report)" by Pakistan Journal of Zoology ~ Book PDF Kindle ePub Free
eBook details
- Title: Optimising Carbon and Nitrogen Sources for L-Glutamic Acid Production by Brevibacterium Strain NIAB Ss-67 (Report)
- Author : Pakistan Journal of Zoology
- Release Date : January 30, 2011
- Genre: Life Sciences,Books,Science & Nature,
- Pages : * pages
- Size : 185 KB
Description
Byline: S. Nadeem, B. Niaz, H. M. Muzammil, S. M. Rana, M.I. Rajoka and A.R. Shakoori Abstract.- Glutamic acid has attracted attention for its pharmaceutical and food applications. There is a 13.3% annual market growth and needs extensive research work on its over-production using new organisms or innovative technology. To increase glutamate yield and productivity, we used Brevibacterium strain NIAB SS-67 and got 38 g glutamic acid/L of glucose -trypticase (L-6) medium (pH 7.0) at 30 degC. Further enhancement in glutamate production was sought by optimising C and N sources using research techniques. Out of nine C sources (glucose, galactose, dextrin, lactose, maltose, sorbose, xylose, fructose, sucrose) and six N sources (urea, ammonium chloride, ammonium sulphate, ammonium nitrate, ammonium phosphate, potassium nitrate and sodium nitrate) tested, 12% dextrin and 2% ammonium sulphate revealed the best results, yielding up to 60.8 g glutamic acid /L (50% enhancement) after 48 h fermentation.
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