title: The influence of CDTA and DPTA on ethanol production from sugar cane molasses using Saccharomyces cerevisiae.
abstract: Effects of complexing agents on the sensitivity of ethanol production using Saccharomyces cerevisiae were investigated using trans-1,2-diamino-cyclohexane-N,N,N',N'-tetraacetic acid (CDTA) and diethylene triamine pentaacetic acid (DPTA). Addition of 600 ppm CDTA during inoculation produces a maximum stimulation; ethanol production at this concentration was 1.5% (v/v) more than the control cultures (approximately 6%). 1000 ppm CDTA produces maximum effect during propagation which was 2.3% more than the control cultures. When DPTA was introduced during inoculation, 800 ppm DPTA produces a maximum effect, which was 2.9% more than the control cultures. 200 ppm DPTA produces a maximum stimulatory effect of 1.0% more than the control cultures. No significant effect was observed when DPTA was added during fermentation but 700 ppm CDTA increased ethanol production by 1.3% more than the control cultures.
authors.affiliation: Chemistry Department, University of Ibadan, Nigeria.
authors.forename: R A
authors.initials: RA
authors.lastname: Oderinde
authors.forename: J I
authors.initials: JI
authors.lastname: Okogun
authors.forename: K O
authors.initials: KO
authors.lastname: Esuoso
mesh_terms: D002614:Chelating Agents / Q000494:pharmacology*; D004492:Edetic Acid / Q000494:pharmacology / Q000031:analogs & derivatives; D000431:Ethanol / Q000378:metabolism*; D005285:Fermentation; D005295:Ferrocyanides / Q000494:pharmacology; D008965:Molasses; D004369:Pentetic Acid / Q000494:pharmacology*; D012441:Saccharomyces cerevisiae / Q000378:metabolism*
chemical_list: D002614:Chelating Agents; D005295:Ferrocyanides; D000431:Ethanol; C005390:CDTA; D004369:Pentetic Acid; D004492:Edetic Acid; C020354:hexacyanoferrate II