美食医用多胞菌Lentinus tigrinus (Agaricomycetes) 的抗菌作用
Yasaman Yazdi1, Mohammad Reza Rezaei1, Hamid R Pourianfar2
1Department of Environmental Engineering, Faculty of Natural Resources and Environment, University of Birjand, Birjand, Iran.
International journal of medicinal mushrooms
|July 31, 2023
概括
药用Lentinus tigrinus表现出强大的抗菌活性,可以对抗Bacillus cereus. 它的乙提取物有效地抑制了这种食源性病原体,这表明了潜在的天然抗微生物应用.
科学领域:
- 菌类学 菌类学是指菌类学.
- 微生物学 微生物学
- 自然产品 化学 化学
背景情况:
- 药用,特别是Lentinus物种,具有已知的抗菌特性.
- 关于Lentinus物种对食源性病原体Bacillus cereus的疗效的研究是有限的.
研究的目的:
- 量化评估各种 Lentinus tigrinus 提取物对 Bacillus cereus 的抗菌活性.
- 探索Lentinus tigrinus作为抗菌化合物的天然来源的潜力.
主要方法:
- 使用乙,甲醇乙酸和热水提取Lentinus tigrinus的果实体.
- 通过最小抑制度 (MIC) 测定抗菌活性对抗Bacillus cereus,大肠杆菌和金黄色葡萄球菌.
- 使用富里埃变换红外光谱学 (FT-IR) 和总含量分析进行化学表征.
- 使用扫描电子显微镜 (SEM) 对Bacillus cereus进行形态分析.
主要成果:
- 伦丁 (Lentinus tigrinus) 的乙提取物显示出对细菌有显著的抗菌活性,在31.25微克/毫升的剂量下抑制了细菌的生长.
- 乙提取物在高达10,000微克/毫升的度下对大肠杆菌和黄金葡萄球菌没有活性.
- 与乙提取物相比,甲醇乙烯酸和热水提取物表现出较弱的抗菌作用.
- FT-IR分析证实了乙提取物中存在基,碳基,胺基和氨基的功能组.
- 在SEM中,用乙提取物处理的Bacillus cereus细胞中发现了明显的形态变化.
结论:
- 兰丁 (Lentinus tigrinus) 含有强大的抗菌化合物,可以有效地对抗细菌.
- 兰丁 (Lentinus tigrinus) 的乙提取物是开发抗菌素抗菌剂的有希望的候选者.
- 对于这些活性化合物的分离和净化,需要进一步的研究.
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