Journal
FOOD CHEMISTRY
Volume 393, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.133387
Keywords
French bread; Maillard reaction products; Strecker degradation; Melanoidins; Bifidogenic effect
Funding
- Institute Polytechnique UniLaSalle, Beauvais, France
- Programme Operationnel FEDER-FSE Picardie 2014-2020
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This study aimed to assess the impact of using sourdough or yeast as a leavening agent for French bread making on the Maillard reaction and the bifidogenic effect. The findings indicated that the levels of Maillard reaction precursors varied depending on the leavening agent used, resulting in different Maillard reactions during baking. The sourdough bread showed a higher bifidogenic effect compared to yeast bread.
The study aimed to evaluate the effect of using sourdough or yeast as a leavening agent for French bread making on the Maillard reaction and the bifidogenic effect. Sugars, proteins, and free asparagine were quantified in bread dough before and after fermentation. The levels of the Maillard reaction precursors were very different depending on the leavening agent used, which affected the Maillard reaction during baking. Strecker degradation was favored in the crust of sourdough bread (SB), generating about 7 times more aldehydes than in the crust of yeast bread (YB), thus improving the sensory quality of the bread. In the YB crust, the melanoidization pathway was predominant. The bifidogenic effect of crust and crumb from both breads was evaluated through the in vitro growth of Bifidobacterium adolescentis. SB showed a higher bifidogenic effect, probably due to its composition more favorable for bacteria growth.
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