Emami, N., Dehghan, P., Mohtarami, F., Ostadrahimi, A., Azizi, M. H. (2018). Physicochemical, Textural, and Sensory Evaluation of Reduced Fat Gluten- Free Biscuit Prepared with Inulin and Resistant Dextrin Prebiotic. , 20(4), 719-731.
N. Emami; P. Dehghan; F. Mohtarami; A. Ostadrahimi; M. H. Azizi. "Physicochemical, Textural, and Sensory Evaluation of Reduced Fat Gluten- Free Biscuit Prepared with Inulin and Resistant Dextrin Prebiotic". , 20, 4, 2018, 719-731.
Emami, N., Dehghan, P., Mohtarami, F., Ostadrahimi, A., Azizi, M. H. (2018). 'Physicochemical, Textural, and Sensory Evaluation of Reduced Fat Gluten- Free Biscuit Prepared with Inulin and Resistant Dextrin Prebiotic', , 20(4), pp. 719-731.
Emami, N., Dehghan, P., Mohtarami, F., Ostadrahimi, A., Azizi, M. H. Physicochemical, Textural, and Sensory Evaluation of Reduced Fat Gluten- Free Biscuit Prepared with Inulin and Resistant Dextrin Prebiotic. , 2018; 20(4): 719-731.

Physicochemical, Textural, and Sensory Evaluation of Reduced Fat Gluten- Free Biscuit Prepared with Inulin and Resistant Dextrin Prebiotic

Journal of Agricultural Science and Technology
Article 7, Volume 20, Issue 4, 2018, Pages 719-731    PDF (730.97 K)
Authors
N. Emami1; P. Dehghan* 2; F. Mohtarami3; A. Ostadrahimi2; M. H. Azizi4
1Department of Food Science and Technology, Faculty of Nutrition and Food Sciences, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran.
2Nutrition Research Center, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran.
3Department of Food Science & Technology, Faculty of Agriculture, Urmia University, Urmia, Islamic Republic of Iran.
4Department of Food Science and Technology, Faculty Agriculture, Tarbiat Modares University, Tehran, Islamic Republic of Iran.
Abstract
The aim of this study was to evaluate the effects of inulin (IN) and resistant dextrin (RD) as fat replacer and prebiotic on gluten-free biscuit and its dough. To make the gluten-free biscuits, we used rice flour, corn flour and corn starch in the proportion of 3:1:1, respectively. The influence of prebiotics on the dough properties was studied via texture profile analysis including firmness, cohesiveness, adhesiveness, gumminess and springiness. Biscuit quality was assessed by spreading behavior, texture and surface characteristics, chemical properties, and sensory evaluation. Compared to the control, a significant increase in firmness (17.04 N to 52.85 N), cohesiveness (0.49 to 0.65) and gumminess (8.45 N to 32.71 N) of dough (except RD25) was observed when substitution percent of fibers increased. Adhesiveness and springiness did not have significant changes. Enhancing of fat replacement percentage caused significant changes compared to the control in hardness (9.60 to 24.52 N) and L* (58.79 to 56.94), a* (8.99 to 9.71), water activity (0.225 to 0.096), moisture (4.97% to 4.12%), total fat (12.65% to 3.90%), peroxide index (1.89 to 0.90 meq/kg), fiber (2.02% to 9.51%), carbohydrate (76.49% to 84. 63%), and calorie (443.38 to 396.52 Kcal). The consumers did not find significant differences in acceptability between the control biscuits and the biscuits with 25% of fat replaced by RD and IN except color and flavor that were better than the control. Gluten-free biscuits containing IN25 and RD25 were similar to the control biscuits, and they could have additional health benefits derived from IN and RD presence.
Keywords
Baking quality; Celiac; Prebiotic; low fat biscuit; Texture analyzer
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