Journal
FOOD CHEMISTRY
Volume 371, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.131125
Keywords
Tartary buckwheat; Common buckwheat; Comparative metabolomics; UHPLC-QqQ-MS; Seeds
Funding
- National Key R&D Program of China [2019YFD1001300, 2019YFD1001304]
- Science and Technology Foundation of Guizhou Province [QianKeHeJiChu-ZK[2021]ZhongDian035]
- National Natural Science Foundation of China [31701494, 31860408]
- Training Program of Guizhou Normal University (QianKeHe-PingTaiRenCai ) [[2017]5726]
- Initial Fund for Doctor Research in Guizhou Normal University [11904/0517051]
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This study compared the seed metabolomes of Tartary buckwheat and common buckwheat, revealing significant differences in metabolic profiles between the two species; both are rich in metabolites beneficial to human health, with non-flavonoids metabolites also contributing to Tartary buckwheat's higher health-promoting value.
Tartary buckwheat has higher health-promoting value than common buckwheat. However, the related metabolites information except flavonoids is largely deficient. Here, we compared the seed metabolomes of the two species using a UHPLC-QqQ-MS-based metabolomics approach. In total, 722 metabolites were obtained, of which 84 and 78 were identified as the key active ingredients of Traditional Chinese Medicines and the active pharmaceutical ingredients for six major diseases-resistance, respectively. Comparative analysis showed there were obviously difference in metabolic profiles between the two buckwheat species, and further found 61 flavonoids and 94 non-flavonoids metabolites displayed significantly higher contents (>= 2 fold) in Tartary buckwheat than in common buckwheat. Our results suggest that Tartary and common buckwheat seeds are rich in metabolites beneficial to human health, and non-flavonoids metabolites also contributed to Tartary buckwheat's higher health-promoting value than common buckwheat. This study provides valuable information for the development of new functional foods of Tartary buckwheat.
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