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Traditionally, biological methods are used to leaven dough semi-finished products in the production of bakery products. However, today consumers are increasingly including yeast-free bakery products in their diet. Given the growing demand for yeast-free bakery products, it is advisable to expand the range of products in this category. To ensure the formation of a developed crumb in yeast-free bakery products, chemical leavening agents are used in their production. Yeast-free bakery products were made using various fermented dairy products: ayran (2,0% fat), kefir (2,5% fat), bifidoyogurt (1,5% fat), and ryazhenka (4,0% fat). To determine the most effective fermented dairy product for the production of high-quality yeast-free bakery products, trial baking was conducted. Experimental dough samples were kneaded using two types of chemical leavening agents - sodium bicarbonate and ammonium carbonate. The dough was prepared using the straight dough method. The duration of dough resting after kneading was 20-30 minutes. The dough pieces were shaped into "okrayets" (small loaves): the dough was rolled to a thickness of 1,5 cm and the dough pieces were cut out with a cutter, placed on a sheet, and baked in a rack oven at +200-240°C for 16-18 minutes. The research results established that it is advisable to use ryazhenka in the production of yeast-free bakery products using fermented dairy products. At the same time, sodium bicarbonate should be included in the recipe to leaven the crumb. Such a product had the highest comprehensive quality index. Based on organoleptic and microbiological indicators, the product was found to have a shelf life of no more than 48 hours. To improve the taste and aromatic properties of the product, 3% malted barley extract and 4% white crystalline sugar were included in its composition. The developed yeast-free okrayets with ryazhenka was characterized by a higher content of bisulfate-binding substances, indicating an improved aroma of the product and a darker color of the crust and crumb. The developed product meets the body's needs for proteins by 31,5%, fats by 10,5%, carbohydrates by 49,0%, and dietary fiber by 18,3%.

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