Abstract
This study aimed to investigate physical, chemical and sensory properties of tarhana, produced by adding buckwheat flour with different ratios. Lightness (L*) value increased in wet samples according to the ratio of buckwheat flour increased, whereas it decreased in dry samples (P<0.05). Redness (a*) values decreased in wet samples whereas increased in dry samples. Yellowness (b*) values were higher in wet samples however it decreased with drying process (P<0.05). Buckwheat addition decreased viscosity values whereas protein and ash values increased significantly (P<0.05). The highest viscosity value was determined in dried control sample with 935cP, while the highest protein, ash, DPPH free radical scavenging activity and total phenolic content values were 15.83%, 3.56%, 161.82 (mg Teq/g) and 14.00 (mg GAE/g) respectively, detected in samples containing 100% buckwheat flour. The highest overall sensory evaluation scores were 5.00 and 7.55 determined in samples containing 25% whole wheat and 75% buckwheat flour (P<0.05), respectively.
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