Metabolite Profiling Analysis and the Correlation with Biological Activity of Betalain-Rich Portulaca grandiflora Hook. Extracts

Autor: Aneta Spórna-Kucab, Anna Tekieli, Agnieszka Grzegorczyk, Łukasz Świątek, Barbara Rajtar, Krystyna Skalicka-Woźniak, Karolina Starzak, Boris Nemzer, Zbigniew Pietrzkowski, Sławomir Wybraniec

Publikováno v: Antioxidants, Vol 11, Iss 9, p 1654 (2022)

The aim of the study was to evaluate the possible correlation between the bioactivity and the phytochemical profile of four betalain-rich extracts from Portulaca grandiflora Hook. The HPLC-DAD-ESI-MS analysis indicated the presence of 19 betaxanthins

Externí odkaz: https://doaj.org/article/9a6ff2ed23244028807cd2922f49d9e2

Cognitive short- and long-term effects of coffee cherry extract in older adults with mild cognitive decline

Autor: Robert Keller, Tania Reyes-Izquierdo, Jennifer L. Robinson, John M Hunter, Zbigniew Pietrzkowski, Jessica Brizuela-Bastien, Ruby Argumedo

Publikováno v: Aging, Neuropsychology, and Cognition. 27:918-934

There has been increasing interest in food- and dietary supplement-based materials that may support healthy cognition. However, few studies have quantitatively measured bioavailability, bioactivity, or cognitive short- and long-term effects of these

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6857776ca64c7edd50e0afb85bfcb063
https://doi.org/10.1080/13825585.2019.1702622

The Responses of Bioactive Betanin Pigment and Its Derivatives from a Red Beetroot (Beta vulgaris L.) Betalain-Rich Extract to Hypochlorous Acid

Autor: Karolina Starzak, Tomasz Świergosz, Sławomir Wybraniec, Zbigniew Pietrzkowski, Katarzyna Sutor, Boris Nemzer, Łukasz Popenda, Shi Rong Liu, Shu-Pao Wu

Publikováno v: International Journal of Molecular Sciences
Volume 22
Issue 3
International Journal of Molecular Sciences, Vol 22, Iss 1155, p 1155 (2021)

Neutrophils produce hypochlorous acid (HOCl) as well as other reactive oxygen species as part of a natural innate immune response in the human body
however, excessive levels of HOCl can ultimately be detrimental to health. Recent reports suggest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dae0f35f6bf1b804398bfa08319b13be

The Responses of Bioactive Betanin Pigment and Its Derivatives from a Red Beetroot (

Autor: Karolina, Starzak, Katarzyna, Sutor, Tomasz, Świergosz, Boris, Nemzer, Zbigniew, Pietrzkowski, Łukasz, Popenda, Shi-Rong, Liu, Shu-Pao, Wu, Sławomir, Wybraniec

Publikováno v: International Journal of Molecular Sciences

Neutrophils produce hypochlorous acid (HOCl) as well as other reactive oxygen species as part of a natural innate immune response in the human body; however, excessive levels of HOCl can ultimately be detrimental to health. Recent reports suggest tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d3359b6108df2efd47b981daa1fb4935
https://pubmed.ncbi.nlm.nih.gov/33503808

Dehydrogenation of Betacyanins in Heated Betalain-Rich Extracts of Red Beet (Beta vulgaris L.)

Autor: Katarzyna Sutor-Świeży, Michał Antonik, Justyna Proszek, Boris Nemzer, Zbigniew Pietrzkowski, Łukasz Popenda, Tomasz Świergosz, Sławomir Wybraniec

Publikováno v: International Journal of Molecular Sciences; Volume 23; Issue 3; Pages: 1245
International Journal of Molecular Sciences, Vol 23, Iss 1245, p 1245 (2022)

Betacyanins are a group of water-soluble red-violet compounds containing nitrogen in their structure. These are biosynthesized in red beetroot (Beta vulgaris L.), a widely consumed vegetable that contains significant amounts of nutritious and bioacti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84e7d72027224cc0c05acdc0a2783fe3
https://doi.org/10.3390/ijms23031245