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Einkorn wheat is a grain crop characterized by the ability not to accumulate heavy metals from the soil. Besides, it is rich in selenium. Jerusalem artichoke is rich in inulin. From the combination of these two types of flour (einkorn wheat and Jerusalem artichoke), bread can be produced for people for who suffer from type 2 diabetes. It is proved that consuming bread enriched with Jerusalem artichoke for two months every day significantly reduces the glycaemic index of patients suffering from type 2 diabetes. To provide these patients systematically with fresh bread, the bread dough freezing technique is suggested. We have studied how the storage time of dough enriched with a flour mix (100% einkorn wheat flour and Jerusalem artichoke flour) in the frozen state influence the modes of the main technological operations in the production of bread made of frozen dough, namely, defrosting, the time of increasing the temperature of the dough up to the operational level, the duration of the final fermentation and of baking. It has been established that the storage time of the dough in the frozen state reduces the duration of defrosting (which differs by 91 min. from that of the reference sample). However, there is a reverse effect, too, for the rise of the temperature of the dough to the operational level and for the final fermentation. The duration of the two above-mentioned operations is determined simultaneously. It is 5 min. more, compared with the reference sample. It has been established that the storage time of frozen dough does not affect the duration of baking. By the organoleptic indicators, the bread from the frozen dough is very similar to the reference sample.

harčova nauka ì tehnologìâ

DETERMINING THE MODES OF TECHNOLOGICAL OPERATIONS IN THE PRODUCTION OF EINKORN WHEAT BREAD MADE OF FROZEN DOUGH AND ENRICHED WITH JERUSALEM ARTICHOKE FLOUR