{"title":"24R005A and 24R005B: Novel radical scavengers of DPPH obtained from Streptomyces sp. cultured in a fish powder medium.","authors":"Toshikazu Komoda, Mayu Abe, Yoshitaka Koseki","doi":"10.2323/jgam.2024.07.002","DOIUrl":null,"url":null,"abstract":"<p><p>We have successfully isolated two novel compounds, 24R005A (1, C<sub>13</sub>H<sub>14</sub>O<sub>4</sub>) and 24R005B (2, C<sub>13</sub>H<sub>13</sub>ClO<sub>4</sub>), from Streptomyces sp. 24R005, using fish (anchovy) powder as a medium. In this study, we evaluated the use of fish (anchovy) powder as a fermentation material for producing bioactive compounds. Spectroscopic analyses revealed that the two compounds share a common skeletal structure. However, each compound contains unique branched side chains. Furthermore, compounds 1 and 2 exhibit moderate radical-scavenging activity for 1,1-diphenyl-2-picrylhydrazyl (DPPH), with ED<sub>50</sub> values of 200 and 130 μM, respectively.</p>","PeriodicalId":15842,"journal":{"name":"Journal of General and Applied Microbiology","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of General and Applied Microbiology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.2323/jgam.2024.07.002","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BIOTECHNOLOGY & APPLIED MICROBIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
We have successfully isolated two novel compounds, 24R005A (1, C13H14O4) and 24R005B (2, C13H13ClO4), from Streptomyces sp. 24R005, using fish (anchovy) powder as a medium. In this study, we evaluated the use of fish (anchovy) powder as a fermentation material for producing bioactive compounds. Spectroscopic analyses revealed that the two compounds share a common skeletal structure. However, each compound contains unique branched side chains. Furthermore, compounds 1 and 2 exhibit moderate radical-scavenging activity for 1,1-diphenyl-2-picrylhydrazyl (DPPH), with ED50 values of 200 and 130 μM, respectively.
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JGAM is going to publish scientific reports containing novel and significant microbiological findings, which are mainly devoted to the following categories: Antibiotics and Secondary Metabolites; Biotechnology and Metabolic Engineering; Developmental Microbiology; Environmental Microbiology and Bioremediation; Enzymology; Eukaryotic Microbiology; Evolution and Phylogenetics; Genome Integrity and Plasticity; Microalgae and Photosynthesis; Microbiology for Food; Molecular Genetics; Physiology and Cell Surface; Synthetic and Systems Microbiology.
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