Effect of various carbohydrate substrates on the production of kefir grains for use as a novel baking starter

O Harta, M Iconomopoulou, A Bekatorou, Poonam Singh - Nee Nigam, M Kontominas, AA Koutinas

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The propagation of kefir grains in a vigorously aerated, batch system, using variousipure and mixed solutions of carbohydrates, was studied. From the experiments performed at 30 degreesC with synthetic liquid media containing single sugars, the one containing fructose (pH 5.5 and 5 g/l initial kefir concentration), gave the largest biomass production (20.75 g) in a 24-h experiment. When mixtures of sugars where used, the one containing glucose and sucrose at a fixed-ratio of 1:3, was found to be the most effective, yielding 27.25 g of kefir biomass. Kinetics of sugar bioconversions were also studied. The obtained results are important for the prediction of effective, low-cost utilization of various food-grade wastes for the production of kefir biomass and its possible use as a novel baking starter. (C) 2004 Elsevier Ltd. All rights reserved.
LanguageEnglish
Pages237-242
JournalFood Chemistry
Volume88
Issue number2
DOIs
Publication statusPublished - Nov 2004

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kefir
baking
carbohydrates
sugars
batch systems
food grades
biomass
biotransformation
fructose
biomass production
sucrose
kinetics
glucose
liquids
prediction

Cite this

Harta, O ; Iconomopoulou, M ; Bekatorou, A ; Singh - Nee Nigam, Poonam ; Kontominas, M ; Koutinas, AA. / Effect of various carbohydrate substrates on the production of kefir grains for use as a novel baking starter. In: Food Chemistry. 2004 ; Vol. 88, No. 2. pp. 237-242.
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Effect of various carbohydrate substrates on the production of kefir grains for use as a novel baking starter. / Harta, O; Iconomopoulou, M; Bekatorou, A; Singh - Nee Nigam, Poonam; Kontominas, M; Koutinas, AA.

In: Food Chemistry, Vol. 88, No. 2, 11.2004, p. 237-242.

Research output: Contribution to journalArticle

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AU - Harta, O

AU - Iconomopoulou, M

AU - Bekatorou, A

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AU - Kontominas, M

AU - Koutinas, AA

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AB - The propagation of kefir grains in a vigorously aerated, batch system, using variousipure and mixed solutions of carbohydrates, was studied. From the experiments performed at 30 degreesC with synthetic liquid media containing single sugars, the one containing fructose (pH 5.5 and 5 g/l initial kefir concentration), gave the largest biomass production (20.75 g) in a 24-h experiment. When mixtures of sugars where used, the one containing glucose and sucrose at a fixed-ratio of 1:3, was found to be the most effective, yielding 27.25 g of kefir biomass. Kinetics of sugar bioconversions were also studied. The obtained results are important for the prediction of effective, low-cost utilization of various food-grade wastes for the production of kefir biomass and its possible use as a novel baking starter. (C) 2004 Elsevier Ltd. All rights reserved.

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