乙基酸盐对收获后病原体的抗真菌效率和机制
Chang Shu1, Xiuxiu Sun2, Jiankang Cao3
1College of Food Science and Nutritional Engineering, China Agricultural University, 17 Qinghuadonglu Road, Beijing 100083, China; United States Department of Agriculture, Agricultural Research Service, Daniel K. Inouye U.S. Pacific Basin Agricultural Research Center, 64 Nowelo Street, Hilo, HI 96720, USA; Oak Ridge Institute for Science and Education, 1299 Bethel Valley Road, Oak Ridge, TN 37830, USA.
International journal of food microbiology
|April 21, 2024
概括
乙酸 (EF) 通过破坏真菌膜并诱导氧化应激,对收获后病原体表现出强烈的抗真菌活性. 这种天然化合物为减少腐烂和食物浪费提供了一个有希望的解决方案.
科学领域:
- 农业科学 农业科学
- 菌类学 菌类学是指菌类学.
- 食品科学 食品科学 食品科学
背景情况:
- 由于真菌病原体造成的收获后损失,需要开发安全有效的抗真菌剂.
- 目前的控制方法在有效性和环境影响方面面临挑战.
研究的目的:
- 评估乙基酸盐 (EF) 对关键的收获后病原体的抗真菌活性.
- 阐明EF在抑制真菌生长和收获后腐烂中的作用机制.
- 评估EF作为食品防腐剂的潜力.
主要方法:
- 在体外测试EF对*Alternaria alternata*,*Aspergillus niger*,*Botrytis cinerea*,*Penicillium expansum*,*Penicillium digitatum*和*Geotrichum candidum*进行检测. 在体内测试EF对*Alternaria alternata*,*Aspergillus niger*,*Botrytis cinerea*,*Penicillium expansum*,*Penicillium digitatum*和*Geotrichum candidum*进行检测. 在体内测试EF对*Alternaria alternata*,*Aspergillus niger*,*Botrytis cinerea*,*Penicillium expansum*,*Penicillium digitatum*和*Geotrichum candidum*进行检测. 在体内测试EF对*Alternaria alternata*进行检测.
- 分析EF对真菌血完整性,氧化应激标志物 (脂质过氧化,甲) 和基因表达的影响.
- 评估EF在防止果物表面收获后腐烂的有效性,包括用酸盐涂层涂抹.
主要成果:
- EF对广泛的收获后真菌病原体表现出强大的抗真菌活性.
- EF 破坏真菌血的完整性,导致细胞内泄漏和形态损伤.
- EF会诱导氧化应激,其证据是脂质过氧化和甲积累的增加.
- 在真菌中,EF抑制了与新陈代谢,抗氧化防御和细胞壁降解相关的关键基因表达.
- 当直接应用或纳入奇托涂层时,EF有效地减少了收获后的腐烂.
结论:
- 乙烯酸具有多方面的抗真菌机制,使其对各种收获后病原体有效.
- EF显示出作为一种安全有效的天然替代品,用于管理收获后腐烂的显著潜力.
- 对EF应用方法的进一步研究可以加强其在减少食品腐败方面的作用.
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