THE EFFECT OF MILK POWDER ADDITION ON THE PROPERTIES OF BREAD QUALITY AND FUNCTIONALITY

Abstract

Functional foods have a potential impact on human health beyond basic nutrition. It also helps to reduce the risk of disease. In recent years, studies to increase the nutritional value of bread are gaining importance rapidly. In this study, it was aimed to investigate the changes in quality, antioxidant, and sensory properties of bread by adding milk powder to the traditional bread at levels of 2.5, 5, and 10%. The bread samples were prepared with a bread-making machine. TPC (total phenolic contents), FRAP (ferric reducing antioxidant powers), DPPH (2,2-diphenyl-1-picrylhydrazyl), ABTS (2,29-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid), and sensory analyzes were performed. As a result, a certain amount of milk powder additive had a positive effect on sensory properties. While the total phenolic content raised from 4.86 µg GAE/100g to 35.48 µg/100g; the levels of DPPH, FRAP and ABTS increased from 35.42, 39.17, 10.48 µM TEAC to 97.92, 61.11, 21.70 µM TEAC, respectively.

Keywords

• Milk powder,bread,phenolic content,antioxidant activity,sensory analysis

SÜT TOZU KATKISININ EKMEK KALİTE ÖZELLİKLERİ VE İŞLEVSELLİĞİ ÜZERİNE ETKİSİ

Abstract

Fonksiyonel gıdalar temel beslenmenin ötesinde insan sağlığı üzerinde potansiyel bir etkiye sahiptirler. Bununla birlikte hastalık riskini de azaltmaya yardımcı olurlar. Son yıllarda ekmeğin, zenginleştirilerek besin değerinin arttırılmasına yönelik çalışmalar önem kazanmıştır. Bu çalışmada, geleneksel ekmeğe, %2.5, 5, ve 10 olmak üzere farklı oranlarda süttozu eklenerek ekmekte kalite, antioksidan ve duyusal özellikleri açısından meydana gelen değişimlerin incelenmesi amaçlanmıştır. Ekmek makinası ile üretilen ekmek numunelerinde, TPC (toplam fenolik içerik), FRAP (demir (II) indirgeyici antioksidan güç), DPPH (2,2-difenil-1-pikrilhidrazil), ABTS (2,29-azinobis-(3-etilbenzotiyazolin-6-sülfonik asit) ve duyusal analizler yapılmıştır. Sonuç olarak, ekmek yapımında belli oranda süttozu katkısının duyusal özellikleri olumlu yönde etkilediği belirlenmiştir. Toplam fenolik içerik 4.86 µg GAE/100g’dan 35.48 µg/100g’a artarken; DPPH, FRAP and ABTS seviyeleri sırasıyla 35.42, 39.17, 10.48 µM TEAC’dan 97.92, 61.11, 21.70 µM TEAC düzeyine yükselmiştir.

Keywords

• Süt tozu,ekmek,fenolik içerik,antioksidan aktivite,duyusal analiz

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