1983
DOI: 10.1007/bf01184941
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Study on Levan formation during fermentation ofzymomonas mohilis on sucrose

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Cited by 24 publications
(6 citation statements)
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“…Such reactions lead, respectively, to the formation of free fructose, oligosaccharides, or higher polymers of the original levan molecule, a fl-(2,6)fructose polymer [22]. The rate of formation of levan slowed down when the glucose concentration was increased to 5-10 g/1 [22][23][24] and was substantially reduced at 35°C as compared to a growth temperature of 30 °C [25,26]. The rates of sucrose hydrolysis and of transfructosylations were shown to be higher than the sugar uptake rate of Z. mobilis [27,28].…”
Section: Transfructosylation Reactionsmentioning
confidence: 99%
“…Such reactions lead, respectively, to the formation of free fructose, oligosaccharides, or higher polymers of the original levan molecule, a fl-(2,6)fructose polymer [22]. The rate of formation of levan slowed down when the glucose concentration was increased to 5-10 g/1 [22][23][24] and was substantially reduced at 35°C as compared to a growth temperature of 30 °C [25,26]. The rates of sucrose hydrolysis and of transfructosylations were shown to be higher than the sugar uptake rate of Z. mobilis [27,28].…”
Section: Transfructosylation Reactionsmentioning
confidence: 99%
“…Under various culture conditions, a number of by-products are formed, reducing the total amount of carbon available for ethanol formation, and lowering conversion efficiencies. These by-products are levan (Dawes et al 1966;Park et al 1983), sorbitol (Viikari 1984a, b;Barrow et al 1984;Leigh et al 1984; Zacchariou and Offprint requests to: H. W. Doelle…”
Section: Introductionmentioning
confidence: 99%
“…Assim, confirma-se que o uso do caldo de cana-de-açúcar pode ser satisfatório para a produção desse polissacarídeo (Park et al, 1983;Huertasdiaz et al, 1991;Bekers et al, 1999). Tabela 1 -Efeito da variação da concentração inicial de sacarose na produção de levana por Zymomonas mobilis CCT 4494, a 30° C e 200 rpm, por 72 h, em meio sintético e natural, utilizando caldo de cana-de-açúcar estéril e não estéril.…”
Section: Resultsunclassified