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Effect of cassava pulp supplement on 1,3-propanediol production by Clostridium butyricum
Waraporn Apiwatanapiwat1, Pilanee Vaithanomsat2, Chakrit Tachaapaikoon3
1Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan; Kasetsart Agricultural and Agro-Industrial Product Improvement Institute, Kasetsart University, 50 Chatuchak, Bangkok 10900, Thailand.
Abstract:
To improve its 1,3-propanediol (1,3-PD) production, Clostridium butyricum was cultivated on glycerol medium supplemented with cassava pulp (CP). At small concentrations, the CP improved the 1,3-PD productivity of C. butyricum from (0.25±0.01)g/L/h (glycerol alone) to (0.43±0.02)g/L/h (glycerol+2g/L CP) after 24h fermentation.
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