Prenylated acetophenones from the roots of Calendula officinalis and their anti-inflammatory activity

ABSTRACT Calendula officinalis is a medicinal plant in the Asteraceae family, and it has a broad range of biological activities. In this study, we focused on the roots of C. officinalis, which have remarkable anti-inflammatory properties. By using a bioassay-guided fractionation approach, prenylated...

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Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2023-06, Vol.87 (7), p.683-687
Main Authors: Kadowaki, Wataru, Miyata, Ryo, Mizuno, Sayaka, Fujinami, Misa, Sato, Yoshizumi, Kumazawa, Shigenori
Format: Article
Language:English
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Summary:ABSTRACT Calendula officinalis is a medicinal plant in the Asteraceae family, and it has a broad range of biological activities. In this study, we focused on the roots of C. officinalis, which have remarkable anti-inflammatory properties. By using a bioassay-guided fractionation approach, prenylated acetophenones 1 and 2—of which 1 was previously unknown—were isolated, and their structures were determined by spectroscopic analysis. Both compounds decreased lipopolysaccharide-stimulated NO production in J774.1 cells. This study could lead to the use of the Calendula roots as a natural source of inflammatory mediators. Graphical Abstract Graphical Abstract Prenylated acetophenones with anti-inflammatory activity were isolated and determined their structures from the roots of Calendula officinalis.
ISSN:1347-6947
1347-6947
DOI:10.1093/bbb/zbad042