Ethanol production by zymomonas cultured in yeast-conditioned me

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Process involving micro-organisms of different genera in the...

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435161, 435162, 435813, 435822, C12P 706, C12P 714, C12P 3900

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049853554

ABSTRACT:
A process for producing ethanol in the substantial absence of fusel oils by Zymomonas fermentation wherein fermentation is carried out under conditions unfavorable for the growth and replication of yeast. In the preferred embodiment, Zymomonas are initially inoculated into a carbohydrate containing medium undergoing active fermentation by yeast, then the fermentation conditions altered to inhibit growth and replication of yeast.

REFERENCES:
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patent: 4876196 (1989-10-01), Savzbrunn
C.A. 107:174317b, Nov. 9, 1987, No. 19, Hermann et al., Found. Biotech Ind. Ferment Res., 1986 4(61PM Symp) 7th 1985, 121-132.
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Chem. Abs. 96:120834d, Apr. 12, 1982, No. 15, Lavers et al., Aps. Biotechnol. 6th 1980 (Pub. 1981)2, 195-200.
Chem. Abs. 103:36140e, Aug. 5, 1985, No. 5, Bringer et al., Biotech Symp. 1984, 14 (Symp. Biotech Fuels) 311-319.
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Derwent Abs. 83-760903/37 Hitachi Zosen Corp. J58129989 (8-1983).

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