The use of starter cultures in the fermentation of boza, a traditional Turkish beverage

Zorba, M.; Hancioglu, O.; Genc, M.; Karapinar, M.; Ova, G.

Process Biochemistry 38(10): 1405-1411


ISSN/ISBN: 1359-5113
DOI: 10.1016/s0032-9592(03)00033-5
Accession: 003986051

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Batches of boza were produced from maize, rice and wheat flours using Leuconostoc paramesenteroides, L. mesenteroides subsp. mesenteroides, L. mesenteroides subsp. dextranicum, L. oenos, Lactobacillus coryniformis, L. confusus, L. sanfrancisco, L. fermentum, Saccharomyces cerevisiae and S. uvarum previously isolated from boza as starter cultures. These lactic acid bacteria (LAB) and yeasts were inoculated separately or mixed into boza wort and fermented at 30 degrees C. During the fermentation period, pH, acidity, LAB and yeast numbers were determined. At the end of the fermentation, sensory evaluations were carried out in order to choose the best culture combination. S. cerevisiae plus L. mesenteroides subsp. mesenteroides plus L. confusus was selected as the appropriate starter culture combination for boza production. The gross composition and rheological properties of the boza produced using this superior culture combination were determined. The paper highlights the potential for the improvement of a traditional Turkish beverage (boza) through the use of a starter culture.