Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
ST-1, a Novel Radical Scavenger From Fungus F-124
Akio KobayashiYutaka KoguchiShigeo TakahashiHiroshi KanzakiKazuyoshi Kawazu
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JOURNAL FREE ACCESS

1993 Volume 57 Issue 6 Pages 1034-1036

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Abstract

Peroxidase (POD) plays an important role in the biosynthesis of disease-lignin, which protects plants from fungal invasion. A novel POD inhibitor, ST-1 (1), was isolated from a fungus, and its chemical structure was elucidated to be 1, 3-dihydro-4, 5, 6-trihydroxy-1, 3-dimethoxy-7-methylisobenzofuran by a combination of chemical modification and spectroscopic techniques. ST-1 effectively scavenged oxygen radicals and also suppressed the phytoalexin accumulation in kidney bean.

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