Harvest time affects antioxidant capacity, total polyphenol and flavonoid content of Polish St John’s wort’s (Hypericum perforatum L.) flowers

Abstract The polyphenol content and antioxidant capacity of hyperforin and hypericin-standardized H. perforatum L. extracts may vary due to the harvest time. In this work, ethanol and ethanol–water extracts of air-dried and lyophilized flowers of H. perforatum L., collected throughout a vegetation s...

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Autores principales: Katerina Makarova, Joanna J. Sajkowska-Kozielewicz, Katarzyna Zawada, Ewa Olchowik-Grabarek, Michał Aleksander Ciach, Krzysztof Gogolewski, Natalia Dobros, Paulina Ciechowicz, Hélène Freichels, Anna Gambin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/3bd3fc227b974e16b27f5e1d0dafe462
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