Alice Gruppi, Gianluca Giuberti, Guillermo Duserm Garrido, Giorgia Spigno
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引用次数: 0
Abstract
Different commercial fibres from bamboo (BAM), cocoa (COC), psyllium (PSY), chokeberry (ARO) and citrus (CIT) were characterized for technological (oil- and water-holding capacity, solubility and bulk density) and physical (moisture, colour and particle size) features and added to a cookie recipe. The doughs were prepared using sunflower oil and white wheat flour was substituted with 5% (w/w) of the selected fibre ingredient. The attributes of the resulting doughs (colour, pH, water activity and rheological tests) and cookies (colour, water activity, moisture content, texture analysis and spread ratio) were compared to control doughs and to cookies made with refined flour and whole flour formulation. The selected fibres consistently impacted dough rheology and, consequently on, the spread ratio and the texture of the cookies. While the viscoelastic behaviour of the control dough made with refined flour was maintained in all sample doughs, adding fibre decreased loss factor (tan δ), except for ARO-added dough. Substitution of wheat flour with fibre decreased the spread ratio except for the PSY addition. The lowest spread ratio values were observed for CIT-added cookie, which were similar to whole flour cookies. The addition of phenolic-rich fibres positively affected the in vitro antioxidant activity of the final products.
期刊介绍:
Food Science and Technology International (FSTI) shares knowledge from leading researchers of food science and technology. Covers food processing and engineering, food safety and preservation, food biotechnology, and physical, chemical and sensory properties of foods. This journal is a member of the Committee on Publication Ethics (COPE).