Germinated Buckwheat: Effects of Dehulling on Phenolics Profile and Antioxidant Activity of Buckwheat Seeds
| Autor: | Tomaž Polak, Andrej Živković, Blaž Cigić, Tomaž Požrl |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Health (social science)
Antioxidant Isoorientin medicine.medical_treatment Vitexin antioxidant activity Plant Science lcsh:Chemical technology Health Professions (miscellaneous) Microbiology Article buckwheat chemistry.chemical_compound Rutin Dry weight medicine lcsh:TP1-1185 Food science free phenolic Orientin bound phenolic food and beverages LC-MS dehulling chemistry germination Germination Composition (visual arts) Food Science |
| Zdroj: | Foods, Vol 10, Iss 740, p 740 (2021) Foods Volume 10 Issue 4 |
| ISSN: | 2304-8158 |
| Popis: | The aim was to investigate the effects of the cold dehulling of buckwheat seeds on their germination, total phenolic content (TPC), antioxidant activity (AA) and phenolics composition. Cold dehulling had no negative effects on germination rate and resulted in faster rootlet growth compared to hulled seeds. Although the dehulling of the seeds significantly decreased TPC and AA, the germination of dehulled seeds resulted in 1.8-fold and 1.9-fold higher TPC and AA compared to hulled seeds. Liquid chromatography coupled to mass spectrometry identified several phenolic compounds in free and bound forms. Rutin was the major compound in hulled seeds (98 µg/g dry weight), orientin and vitexin in 96-h germinated dehulled seeds (2205, 1869 µg/g dry weight, respectively). During germination, the increases in the major phenolic compounds were around two orders of magnitude, which were greater than the increases for TPC and AA. As well as orientin and vitexin, high levels of other phenolic compounds were detected for dehulled germinated seeds (e.g., isoorientin, rutin 1402, 967 µg/g dry weight, respectively). These data show that dehulled germinated seeds of buckwheat have great potential for use in functional foods as a dietary source of phenolic compounds with health benefits. |
| Databáze: | OpenAIRE |
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