EFFECT OF VITAL GLUTEN AND EMULGATOR ON QUALITY PROPERTIES OF BREAD CONTAINING LUPIN FLOUR DEBITTERED BY DIFFERENT METHODS AND RESISTANT STARCH

Öz

In this study, wheat flour used in bread was replaced by flour (10%) obtained from lupin debittered by different methods (traditional and ultrasound application) and resistant starch type4 (RS-10%) to improve nutritional properties of bread. The effects of vital gluten and/or sodium stearoyl-2-lactylate (SSL) on quality characteristics of bread were investigated. While volume and specific volume decreased with addition of lupin flour+RS to bread formulation, it increased with additives. Use of lupin flour debittered by ultrasound provided higher volume and specific volume, lower firmness and hardness compared to breads containing lupin flour debittered by traditional method. Hardness, springiness, cohesiveness and resilience of breads produced with vital gluten+SSL were found statistically similar to wheat flour bread (P >0.05). Overall acceptability scores of breads decreased with use of 10% lupin flour+10% RS, addition of vital gluten or vital gluten+SSL provided overall acceptability scores close to wheat flour bread.

Anahtar Kelimeler

• Vital gluten
• Sodium stearoyl-2-lactylate (SSL)
• lupin
• resistant starch

FARKLI YÖNTEMLERLE ACILIĞI GİDERİLMİŞ LÜPEN UNU VE DİRENÇLİ NİŞASTA İÇEREN EKMEKLERİN KALİTE ÖZELLİKLERİ ÜZERİNE VİTAL GLUTEN VE EMÜLGATÖRÜN ETKİSİ

Öz

Bu çalışmada; ekmeğin besinsel özelliklerini geliştirmek için ekmek üretiminde kullanılan buğday unu, farklı metotlarla (geleneksel ve ultrason uygulamalı) acılığı giderilmiş lüpenden elde edilen un (%10) ve tip4 dirençli nişasta (DN-%10) ile yer değiştirilmiştir. Ekmeğin kalite özelliklerini geliştirmek amacıyla vital gluten ve/veya sodyum stearol-2-laktilat (SSL) ilavesi yapılarak, katkı maddelerinin ekmek kalitesi üzerine etkileri belirlenmiştir. Ekmek formülasyonuna lüpen unu+DN ilave edilmesiyle azalan hacim ve spesifik hacim değerleri, katkı maddelerinin kullanımı ile yükselmiştir. Ultrason uygulamasıyla acılığı giderilmiş lüpen unu kullanımı; geleneksel yöntemle acılığı giderilmiş lüpen unu içeren ekmeklere göre daha yüksek hacim ve spesifik hacim ile daha düşük sıkılık ve sertlik değerleri sağlamıştır. Vital gluten+SSL kombinasyonu ile üretilen ekmeklerin sertlik, elastikiyet, koheziflik ve esneklik değerleri istatistiki açıdan buğday unu ekmeğine benzer bulunmuştur (P >0.05). Ekmek örneklerinin genel beğeni puanları %10 lüpen unu+%10 DN kullanımı ile azalmış, vital gluten ve vital guten+SSL ilavesi genel beğeni puanlarının buğday unu ekmeğine yakın olmasını sağlamıştır.

Anahtar Kelimeler

• Vital gluten
• sodyum stearol-2-laktilat (SSL)
• lüpen
• dirençli nişasta
• ekmek

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