Abstract
The culture filtrate of Lentinula edodes shows potent antimicrobial activity against the plant pathogenic bacteria Ralstonia solanacearum. Bioassay-guided fractionation was conducted using Diaion HP-20 column chromatography, and the insoluble active compound was not adsorbed on the resin. Further fractionation by high-performance liquid chromatography (HPLC) suggested that the active compounds were organic acids. Nine organic acids were detected in the culture filtrate of L. edodes; oxalic acid was the major component and exhibited antibacterial activity against nine different phytopathogenic bacteria. Quantitative analysis by HPLC revealed that the content of oxalic acid was higher in the water extract from spent mushroom substrate than in liquid culture. This suggests that the water extract of spent L. edodes substrate is an eco-friendly control agent for plant diseases.
| Original language | English |
|---|---|
| Pages (from-to) | 338-342 |
| Number of pages | 5 |
| Journal | Mycobiology |
| Volume | 44 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2016 |
Keywords
- Antibacterial activity
- Oxalic acid
- Qualitative and quantitative analyses
Quacquarelli Symonds(QS) Subject Topics
- Medicine
- Biological Sciences
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