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Improved industrial fermentation of lincomycin by phosphorus feeding

Paper ID Volume ID Publish Year Pages File Format Full-Text
36023 45118 2007 7 PDF Available
Title
Improved industrial fermentation of lincomycin by phosphorus feeding
Abstract

Phosphorus limitation was found in the fermentation production of lincomycin based on the phosphorus elemental analysis. Phosphorus was thus fed into the fermentation system to improve the lincomycin production, and 16 kg fed-phosphorus increased the lincomycin yield by 14.4% compared to that without the phosphorus feeding. As low concentration of dissolved oxygen limited the growth of mycelia, the phosphorus in the base medium and fed-batch were adjusted to give a more reasonable phosphorus distribution. When the phosphorus in the base medium was decreased to 29.4 kg from 33.4 kg and the fed phosphorus was increased from 16.0 kg to 20.0 kg in a 100 m3 fermenter, the final lincomycin titer increased by 21.6% compared to that the un-fed process. The mycelia growth and lincomycin production rates were also increased at the production stage. The phosphorus feeding and adjustment distribution strategy might be applied to other industrial fermentation processes to improve the process efficiency and productivity.

Keywords
Lincomycin; Industrial fermentation; Phosphorus limitation; Feeding; Productivity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 4, April 2007, Pages 662–668
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Online Support
Any Questions? feel free to contact us