Utilization of maltose enriched spent grains liquor for xanthan production | Zendy

Jelena Dodić | Zendy; Damjan Vučurović | Zendy; Jovana Grahovac | Zendy; Siniša Dodić | Zendy; Stevan Popov | Zendy; Aleksandar Jokić | Zendy

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Utilization of maltose enriched spent grains liquor for xanthan production

Author(s) -

Jelena Dodić,

Damjan Vučurović,

Jovana Grahovac,

Siniša Dodić,

Stevan Popov,

Aleksandar Jokić

Publication year - 2011

Publication title -

acta periodica technologica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.134

H-Index - 15

eISSN - 2406-095X

pISSN - 1450-7188

DOI - 10.2298/apt1142211d

Subject(s) - maltose , chemistry , food science , xanthan gum , sugar , lactose , xanthomonas campestris , yield (engineering) , corn steep liquor , starch , sucrose , biochemistry , fermentation , materials science , rheology , metallurgy , composite material , gene

The present study examines xanthan production by Xanthomonas campestris under aerobic conditions on spent grains liquor based cultivation media containing four different amounts of maltose. All four experiments were performed simultaneously, so that all stages of the biotechnological process would be carried out under identical conditions. In addition to the cultivation parameters (pH value, contents of dissolved oxygen, reducing sugars and assimilable nitrogen, turbidity and trickling time), xanthan yield and sugar conversion percentage were also determined. Based on the results of the experiments maltose addition up to 5% to spent grains liquor does not hinder the cultivation course. On the other hand, the conversion of sugars into xanthan decreases with the increase of maltose content to 5% and a large amount of sugars lags in the cultivation broth

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