Journal
LWT-FOOD SCIENCE AND TECHNOLOGY
Volume 159, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.lwt.2022.113200
Keywords
Functional bread; Antioxidant; Naked barley; Nutritional value
Categories
Funding
- National Natural Science Foundation of China [32072254]
- China Scholarship Council [2018GXZ018752]
- Research and Development Program of Tian-chang [TZY202002]
- Six Talent Peaks Project of Jiangsu Prov-ince [NY-119]
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Germinated barley can significantly improve the nutritional value and functional properties of bread, but excessive germination has a negative effect on gluten network formation. Bread made with germinated barley (24 h) had the best impact on bread-making performance, shelf-life, sensory attributes, and overall acceptability.
In this study, the impact of highland barley germination on bread-making performance, shelf-life, and nutritional value was evaluated. Highland barley was germinated for 24, 48, and 72 h. Results showed that germination produced a functional bread with significantly enhanced nutritional value, as well as antimicrobial and antioxidant properties. Consuming 100 g of germinated highland barley bread per day provides the required minimum daily intake of beta-glucan and gamma-aminobutyric acid (GABA) as recommended by the European Food Safety Authority (3 g, 100 mg/respectively). Excessive germination (48 and 72 h respectively) negatively affected the formation of the gluten network, which decreased flour water absorption, dough development time, and stability. Additionally, LF-NMR results suggested that germination decreased T-21, T-22, and T-23 populations during storage. This study confirmed that germination under controlled conditions for 24 h could improve bread quality and properties. Significantly, bread made with germinated barley (24 h) had the best impact on bread-making performance, shelf-life, sensory attributes, and overall acceptability.
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