Food Science and Technology
Food Science and Technology
Research Paper

A functional food: a traditional Tarhana fermentation

Merih KIVANÇ; Ebru Güney FUNDA


Abstract: White wheat flour, concentrated full fat yoghurt, tomato paste, onion, red and green paprika, and mint and salt are used in the preparation of Tarhana. During the 7-day Tarhana fermentation period, the acidity increased from 1.10% to 3.25%, the pH decreased from 5.22 to 4.13, and the moisture decreased from 70.12% to 26.15%. The chemical composition of the Tarhana at the end of fermentation was determined as: moisture 9.55%, protein 12.05%, total ash 5.65%, salt 5.65%, and fat 4.88%. During the fermentation, the lactic acid bacteria count of increased from 1.32 X 102 to 4.20 X 104 CFU/g, the total mesophilic aerobe bacteria count increased from 1.75 X 101 to 2.28 X 102 CFU/g, the yeast count increased from 3.45 X 10 1 to 2.40 X 105 CFU/g, the mould count from 1.55 X 10 1 to 2.45 X 104 CFU/g, in the content of Tarhana dough. It was observed that Lactococcus lactis spp. lactis, Leuconostoc mesenteroides, Lactobacillus acidophilus, Enterococcus durans, Pediococcus spp., Lactobacillus delbrueckii ssp. lactis and Lactobacillus paracasei bacteria played a role during the fermentation of Tarhana dough. Kluyveromyces marxianus, Yarrowia lipolytica, Pichia membranaefaciens, Pichia mexicana, Pichia angusta, Debaryomyces hansenii, Candida sorboxylosa, Candida fluviatilis, Saccharomyces cerevisiae were identified during the Tarhana fermentation.


Tarhana, lactic acid bacteria, yeast, fermentation


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