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ABSTRACT
Although bread making with the use of Baker's yeast has a long tradition in human history, little attention has been paid to the connection between yeast addition and the final bread quality. Nowadays, bakers mainly use different flour additives such as enzymes (amylases, hemicellulases, and proteases) to change and improve dough properties and/or bread quality. Another strategy is the use of modified industrial Baker's yeast. To date, there is no yeast strain used in the baking industry, which is genetically modified, despite some studies demonstrating that the application of recombinant DNA technology is a possibility for improved strains suitable for baking. However, due to the fact that the majority of consumers in Europe highly reject the use of genetically modified microorganisms in the production of food, other strategies to improve bread quality must be investigated. Such a strategy would be a reconsideration of the selection of yeast strains used for the baking process. Next to the common criteria, the requirement for adequate gas production, more attention should be paid on how yeast impacts flavor, shelf life, color, and the nutritional value of baked products, in a similar way to which yeast strains are selected in the wine and brewing industries.
Acknowledgments
The authors want to thank Claudia Axel and Kieran Lynch for correcting the manuscript.
Funding
This study was financed by the Seventh framework Program of the European Community for research, technological development and demonstration activities (2013-2017); specific program “FLOURplus” Intelligent and easy tool to categorize and characterize flour quality for consumer-driven wheat baked goods in European SME-bakery and cereal sector (606198).