PECULIARITIES OF USING STEAM-CONVECTION OVEN FOR PRODUCTION OF BAKERY PRODUCTS
Journal: Техника и технология пищевых производств (Food Processing: Techniques and Technology) (Vol.48, No. 2)Publication Date: 2018-06-28
Authors : Markova Y. Markov A. Romanov A.;
Page : 136-142
Keywords : Bread; bread making; steam-convection oven;
Abstract
The article presents the results of research on the peculiarities of proofing and baking bakery products using a steam-convection oven for continuous proofing and baking. The aim of the work was to develop recommendations for setting parameters for production of bakery products in the steam-convection oven at continuous proofing of dough pieces and bakery products. For control samples baking the author used a proofing box for final proofing and a convection oven. The analysis of the structural and mechanical properties of crumb was made using device «Strukturometer-1», and loss of weight after baking was measured using standard methods. Intensity and color uniformity of crust were determined applying an ingenious method using flatbed scanner. Automatic recorder monitored the temperature in the baking chamber and inside the baked dough pieces. To determine the changes in product volume and proportion of the formed crumb during baking process, an original optical method was used. As a result of the research the author determined that there is a dependence of the dynamics of baked dough pieces quality indicators on proofing and baking parameters. It is shown that the main differences are observed during the first baking period. The detected regularities are associated with smooth heating of the steam-convection oven baking chamber and high relative humidity of the medium at the beginning of baking process. When using a steam-convection oven, the crusts had uneven color which is obviously due to condensation of a large amount of moisture on the surface during the initial baking period and, consequently, different rates of heating of individual parts of the crust. By the moment when baking process was over control samples and developed samples had insufficient differences concerning structural, mechanical and physicochemical parameters. It was determined that in case of continuous proofing and baking in steam-convection oven it is necessary to extend the baking process and increase dough humidity compared to traditional baking method.
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