THE EFFECT OF THE USE OF FRESH AND LYOPHILIZED BOZA ON BREAD QUALITY PROPERTIES

Yıl 2022, Cilt 47, Sayı 6, 1083 - 1091, 15.12.2022

Hilal KILMANOĞLU Meryem AKBAŞ Seher KUMCUOĞLU Şebnem TAVMAN

https://doi.org/10.15237/gida.GD22024

Öz

Boza, a functional traditional beverage, is a product obtained by fermenting grains. In this study, the use of different proportions of boza (25%, 50%, 60% on flour basis) and lyophilized boza (5%, 8%, 10% on flour basis) as a starter and their effects on the microbiological, chemical, textural and sensory properties of bread were investigated. The addition of boza was found to increase dough extensibility and resistance to extension compared to control bread. The proportions of fresh boza or lyophilized boza were significantly correlated with the hardness of breads. In addition, the L value in boza added breads were significantly decreased compared with the control bread. It was determined that the lyophilization caused a significant decrease in lactic acid bacteria compared with yeast counts. The most acceptable group after the control bread was determined to be 25% fresh boza added bread and 5% lyophilized boza added bread.

Anahtar Kelimeler

boza, bread, lyophilization

TAZE VE LİYOFİLİZE BOZA KULLANIMININ EKMEK KALİTE ÖZELLİKLERİNE ETKİSİ

Öz

Fonksiyonel bir geleneksel içecek olan boza, tahılların fermente edilmesiyle elde edilen bir üründür. Bu çalışmada farklı oranlarda boza (un bazında %25, %50, %60) ve liyofilize boza (un bazında %5, %8, %10) ilavelerinin starter olarak kullanımı ve ekmeğin mikrobiyolojik, kimyasal, tekstürel ve duyusal özellikleri üzerine etkileri araştırılmıştır. Kontrol ekmeğine kıyasla boza ilavesinin hamur uzayabilirliği ve uzamaya karşı direnci arttırdığı görülmüştür. Taze boza veya liyofilize boza oranları, ekmeklerin sertliği ile önemli ölçüde ilişkilidir. Ayrıca boza ilave edilen ekmeklerde L değeri, kontrol ekmeğine göre önemli ölçüde azalmıştır. Liyofilizasyonun maya sayısına göre laktik asit bakterilerinde önemli bir düşüşe neden olduğu belirlenmiştir. Kontrol ekmeğinden sonra en kabul edilebilir grup %25 taze boza katkılı ekmek ve %5 liyofilize boza katkılı ekmek olarak belirlenmiştir.

Anahtar Kelimeler

boza, ekmek, liyofilizasyon

Kaynakça

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