THE IMPACT OF ROSEHIP OIL ON QUALITY OF RYE-WHEAT BREAD

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THE IMPACT OF ROSEHIP OIL ON QUALITY OF RYE-WHEAT BREAD

Journal Title: Biota. Human. Technology - Year 2022, Vol 1, Issue 2

Abstract

In the study, it was aimed to use rosehip oilfor the quality improvement of rye-wheat bread, made bya single-phase method. Use 1% of the oil to total mass of flour has almost no effect on the quality of the product, howeverit haspositive influence on porosity, specific volume and dimensional stability of bread. Adding 3...5% of rosehip oil allows to increase the indicators of porosity, specific volume and dimensional stability of ready products by 8.3...16.7%, 15.0...30.0% and 9.3...16.3 % respectively. Addition of 7% of rosehip oil as maximum amount, caused decreasing of givenquality indicators to 5% additionof the oil addition, but still remain higher by 11.7%, 20.0% and 11.6% respectively compare to initial bread. To investigate the reason of such effect, tests for studyingactivity of the dough microflora and their impact on the gluten, on acidity accumulation during the ripening process, on falling number of wheatand rye flour and also on their mixturewere conducted.Adding 3...7% of rosehip oilincrease microflora activity of rye-wheat dough. Increasingamount of rosehip oil, significantly increase activity of lactic acid bacteria and dough-raising power. In this regard, the acid accumulation intensifies, which is a positive result but it’s does not explain decreasing quality of ready product when 7% of oil was added. It’s possible toexplain quality decreasing of ready product because addition of 7% rosehip has impact on wheat gluten and on rye falling number, also on wheat rye mixture. It was found out that oil dosage causes significantly increase strength of gluten. Gluten extensibility decreases by 1.5 times, elasticity by 28.3% compared to the control sample. The amount of raw gluten also decreases by 45.5%. Rosehip oil has a similar effect on the “fall number” parameter. This is especially noticeable when studying a model systemmade of rye flour. The purpose of the articleis investigationthe impact which rose hip oil can made on the quality of rye-wheat bread made by a single-phase method. Methodology. Microbiological, physicochemical and organoleptic research methods were used during the work. Processing of the results was carried out using MC Excel databases. The scientific novelty.It was first time investigated possibility of using rosehip fruit oil to improve the quality of rye-wheat bread; established its effect on the activity of microflora of rye-wheat dough; studied the effect on quality indicators of rye, wheat flour and their mixture.Conclusions: it was found out that for improving the properties of rye-wheat bread made by a single-phase method, it is advisable to use rosehipfruit oil in the amount of 3...5% of the total mass of flour.

Authors and Affiliations

Nadiia Lapytska, Olga Syza, Olena Gorodyska, Olesya Savchenko, Euvgene Rebenok

Keywords

rye-wheat bread rosehip oil quality indicators

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EP ID EP754411
DOI https://doi.org/10.58407/bht.2.22.8
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