Journal
FOODS
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/foods12102047
Keywords
buckwheat; germination; starch; protein hydrolysis; lipids; anti-nutritional factors; antioxidants; metabolome
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Buckwheat is recognized as a good source of nutrients and is receiving increasing attention as a potential functional food. This study found that sprouting buckwheat for 48 and 72 hours increased the content of peptides and free-phenolic compounds, improved antioxidant activity, reduced anti-nutritional components, and improved the overall nutritional characteristics. These results confirm the potential of sprouted buckwheat as a high-quality ingredient for innovative products.
Buckwheat is a pseudo-cereal widely grown and consumed throughout the world. Buckwheat is recognized as a good source of nutrients and, in combination with other health-promoting components, is receiving increasing attention as a potential functional food. Despite the high nutritional value of buckwheat, a variety of anti-nutritional features makes it difficult to exploit its full potential. In this framework, sprouting (or germination) may represent a process capable of improving the macromolecular profile, including reducing anti-nutritional factors and/or synthesizing or releasing bioactives. This study addressed changes in the biomolecular profile and composition of buckwheat that was sprouted for 48 and 72 h. Sprouting increased the content of peptides and free-phenolic compounds and the antioxidant activity, caused a marked decline in the concentration of several anti-nutritional components, and affected the metabolomic profile with an overall improvement in the nutritional characteristics. These results further confirm sprouting as a process suitable for improving the compositional traits of cereals and pseudo-cereals, and are further steps towards the exploitation of sprouted buckwheat as a high-quality ingredient in innovative products of industrial interest.
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