Phellinins A1 and A2, new styrylpyrones from the culture broth of Phellinus sp. KACC93057P: I. Fermentation, taxonomy, isolation and biological properties

Novel styrylpyrones, phellinins A1 and A2, were isolated together with known styrylpyrone compounds, hispidin and 1,1-distyrylpyrylethan, from the cultured broth of Phellinus sp. KACC93057P. These compounds were purified by solvent partition, Sephadex LH-20 column chromatography, C 18 -solid phase e...

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Veröffentlicht in:Journal of antibiotics 2009-11, Vol.62 (11), p.631-634
Hauptverfasser: Lee, In-Kyoung, Seo, Geon-Sik, Jeon, Nak Beom, Kang, Hee-Wan, Yun, Bong-Sik
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container_issue 11
container_start_page 631
container_title Journal of antibiotics
container_volume 62
creator Lee, In-Kyoung
Seo, Geon-Sik
Jeon, Nak Beom
Kang, Hee-Wan
Yun, Bong-Sik
description Novel styrylpyrones, phellinins A1 and A2, were isolated together with known styrylpyrone compounds, hispidin and 1,1-distyrylpyrylethan, from the cultured broth of Phellinus sp. KACC93057P. These compounds were purified by solvent partition, Sephadex LH-20 column chromatography, C 18 -solid phase extraction and finally by reversed-phase (ODS) TLC. To identify the phellinin producer Phellinus sp. KACC93057P, the ribosomal DNA (rDNA) internal transcribed space regions containing 5.8 rDNA were sequenced and compared with those of the known Phellinus isolates. Phellinus sp. KACC93057P was 94.8% identical to P. baumii and P. linteus , all of which did not produce phellinins A1 and A2. These compounds significantly scavenged free radicals such as 1,1-diphenyl-2-picrylhydrazyl, 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) and superoxide.
doi_str_mv 10.1038/ja.2009.82
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Bacteriology
Basidiomycota - classification
Basidiomycota - metabolism
Biological properties
Biomedical and Life Sciences
Bioorganic Chemistry
Chromatography, High Pressure Liquid
Fermentation
Free Radical Scavengers - isolation & purification
Free Radical Scavengers - pharmacology
Life Sciences
Medicinal Chemistry
Microbiology
Organic Chemistry
original-article
Pyrones - isolation & purification
Pyrones - pharmacology
Styrenes - isolation & purification
Styrenes - pharmacology
title Phellinins A1 and A2, new styrylpyrones from the culture broth of Phellinus sp. KACC93057P: I. Fermentation, taxonomy, isolation and biological properties
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