期刊
FOODS
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/foods10030489
关键词
durum wheat; antioxidants; phenolic acids; phytosterols; bread; bran
资金
- University of New England
- NSW Department of Primary Industries
- Iraq Ministry of Higher Education
This study characterized the properties and composition of different size durum bran fractions and how they impact bread quality. The use of these fractions in bread formulation negatively impacted bread loaf volume, color, and texture, with CB having the least impact. Bran particle size should be considered to combine the highest phytochemical content with minimal impact on bread quality.
Wheat bran is a conventional by-product of the wheat milling industry mainly used for animal feed. It is a rich and inexpensive source of phytonutrients, so is in demand for fibre-rich food products but creates quality issues when incorporated into bread. The purpose of this study was to characterize the physicochemical properties and phytochemical composition of different size durum bran fractions and show how they impact bread quality. Durum wheat (Triticum durum Desf.) was milled to create a coarse bran fraction (CB), which was further ground into a finer fraction (FB) which was sieved using four screens with apertures 425, 315, 250, 180, and <180 mu m to create a particle size range of 1497 to 115 mu m. All fractions contained phytosterol with highest in the 180 and FB, while total phenolic acids and antioxidant capacity was highest in CB and 425. Use of the fractions in a leavened common wheat (T. aestivum L.) bread formula at 10% incorporation negatively impacted bread loaf volume, colour, and texture compared to standard loaves, with CB having the least impact. Results suggest that to combine the highest phytochemical content with minimal impact on bread quality, bran particle size should be considered, with CB being the best choice.
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