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Utilization of Different Hydrocolloid Combinations in Gluten-Free Bread Making

Food and Nutrition Sciences 2013年第5期4卷 496-502页

作者： Sofyan Maghaydah Selma Abdul-Hussain Radwan Ajo Yousef Tawalbeh ola alsaydali Applide Science Department Al-Huson University Collage Al-Balqa Applied University Al-Huson Jordan. Departement of Nutrition and Food Technology Faculty of Agriculture Jordan University of Science and Technology Irbid Jordan Deptartment of Food Science and Biotechnology College of Agriculture University of Baghdad Baghdad Iraq

Coeliac disease (CD) is a common lifelong disorder with small bowel malabsorption and gluten intolerance. The only effective treatment for CD is a strict lifelong renunciation of gluten-containing foods. Currently, the cereal products designed to meet the requirements of CD patients, especially gluten-free bread, are scarce, of low quality and poor flavor. Therefore, preparation of high quality and affordable bread for coeliac patients was the main objective of this study. Three kinds of gluten-free bread were prepared, in which wheat flour was substituted with rice and corn flour at a ratio of 5:1, respectively. Gluten was substituted using different hydrocolloids: 1% xanthan and 1% carrageenan (Mix A), GFB A;1% xanthan and 1% pectin (Mix B), GFB B;and 1% carrageenan and 1% pectin (Mix C), GFB C. These three types of bread were compared to control bread produced from wheat flour (WB). Sponge and dough method with some modifications was used to produce the bread samples with a developed formula (0.8% yeast, 4.0% sugar, 2% salt, 7.0% shortening, 2.0% non-fat dry milk, and 1% sodium stearoyl lactylate (SSL)). Determination of the chemical composition, rheological properties and physical characteristics, as well as sensory evaluation of the bread samples, was undertaken. Results showed that the moisture content of WB bread (control) was significantly lower than that of all types of gluten-free bread, and there was no significant difference in ash, protein, and lipid contents among the gluten-free bread samples. GFB A, GFB B and GFB C displayed no significant differences in their specific volumes. The sensory evaluation showed that GFB C received the lowest sensory evaluation score. Therefore, GFB A and GFB B were the best gluten-free samples.

关键词： Coeliac Disease (CD) Gluten-Free Bread (GFB) Xanthan Carrageenan Pectin

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