Journal
FOOD CHEMISTRY
Volume 344, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.128710
Keywords
Bread; Chlorella vulgaris; Microalgae; Sourdough; Bread quality; Antioxidant activity
Funding
- Spanish Ministry of Science, Innovation and Universities [RTI2018-095919-B-C21]
- European Regional Development Fund
- Generalitat Valenciana [Prometeo 2017/189]
- COST (European Cooperation in Science and Technology) [18101]
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Incorporation of microalgae can change the characteristics of bread, but this can be offset by adjusting dough hydration and proofing time. Microalgae enriched breads have a green color and higher antioxidant activity.
Microalgae nutritional and healthy dietary pattern might be affected by processes like breadmaking when used as ingredient. This study aims to determine the role of dough acidification on the nutritional pattern of Chlorella vulgaris enriched breads. Different levels of microalga (1%, 2% and 3%) were incorporated in the recipe in the presence of either 10% sourdough or chemically acidified doughs. Dough and bread characteristics were evaluated. Addition of microalga reduced the slice area and increased the crumb hardness, but it could be counteracted by increasing dough hydration and adapting proofing time. Doughs and breads enriched with microalga had green color. Dough acidification led to softer breads and enhanced the antioxidant activity of enriched breads. Microalgae incorporation increased the protein and ash content of the breads. Microalgae enriched breads made with chemically acidified doughs or sourdoughs had higher Total Phenolic Content and antioxidant activity as assessed by FRAP and ABTS methods.
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