Overview

Tarhana is a traditional fermented cereal–dairy product used as a soup base in Turkey and surrounding regions. It is produced through fermentation of a mixture of wheat flour, yogurt, and vegetables.

Raw Materials

  • Wheat flour
  • Yogurt
  • Vegetables (tomato, pepper, onion)
  • Salt

Fermentation Process

Ingredients are mixed into a dough and allowed to ferment naturally for several days. The fermented mixture is then dried and stored, later reconstituted with water to prepare soup.

Microbial Ecology

Fermentation is dominated by:

  • Lactobacillus spp.
  • Yeasts

These microorganisms acidify the mixture and contribute to flavour and preservation prior to drying.

Functional and Nutritional Aspects

  • Combined benefits of cereal and dairy fermentation
  • Acidification improves shelf-life
  • Drying enables long-term storage

Cultural Significance

Tarhana is a widely consumed traditional food in Turkey and reflects household-scale fermentation adapted for seasonal preservation.

References

  1. Erbas, M., Certel, M., & Uslu, M. K. (2005). Microbiological and chemical properties of tarhana. Food Control, 16, 557–562.
  2. Steinkraus, K. H. (1996). Handbook of Indigenous Fermented Foods. Marcel Dekker.
  3. Tamang, J. P. (2010). Fermented Foods and Beverages of the World. CRC Press.