研究报告

当归茎叶精油对四种果蔬采后腐败真菌的抑制活性

  • 乔彩红 ,
  • 李斌山 ,
  • 张忠 ,
  • 毕阳 ,
  • 李子和 ,
  • 朱亚同 ,
  • 武淑娟
展开
  • (甘肃农业大学 食品科学与工程学院,甘肃 兰州,730070)
第一作者:硕士研究生(张忠教授和毕阳教授为共同通信作者,E-mail:foodgau@126.com;beyang62@163.com)

收稿日期: 2021-10-12

  修回日期: 2021-11-01

  网络出版日期: 2022-06-23

基金资助

甘肃省自然科学基金项目(21JR7RA807)

Antifungal activities of essential oil from Angelica sinensis leaf against postharvest pathogenic fungi of fruit and vegetables

  • QIAO Caihong ,
  • LI Binshan ,
  • ZHANG Zhong ,
  • BI Yang ,
  • LI Zihe ,
  • ZHU Yatong ,
  • WU Shujuan
Expand
  • (College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070,China)

Received date: 2021-10-12

  Revised date: 2021-11-01

  Online published: 2022-06-23

摘要

为实现当归废弃物的资源化利用,探讨当归茎叶精油的化学组分及抑真菌活性,采用二倍稀释法确定了当归茎叶精油对4种常见采后病原真菌[互隔交链孢(Alternaria alternata)、硫色镰刀菌(Fusarium sulphureum)、粉红单端孢(Trichothecium roseum)和扩展青霉(Penicillium expansum)]最低抑菌浓度(minimum inhibitory concentration,MIC)和最低杀菌浓度(minimum fungicidal concentration,MFC),并用滤纸片熏蒸法和雾化熏蒸法分别研究了当归茎叶精油对4种真菌菌丝生长的体外抑制作用和体内条件下对T.roseum的抑制效果。结果表明,当归茎叶精油的提取得率为0.057%。在当归茎叶精油中共鉴定出了51种化合物,2, 4, 5-三甲基苯甲醛(22.7%)含量最高,其次是α-蒎烯(11.1%)、十氢-3-甲基-7-亚甲基-1-(1-甲基乙基)(6.69%)、α-法呢烯(6.44%)、反式-蛇床内酯(5.84%)和β-蒎烯(5.16%)。当归茎叶精油对F.sulphureum、A.alternata和P.expansum的MIC均为2.34 μL/mL,MFC均为9.37 μL/mL,对T.roseum的MIC、MFC分别是1.17、9.37 μL/mL。当归茎叶精油熏蒸处理对4种菌的菌丝生长抑制率从高到低依次为T.roseum、F.sulphureum、A.alternata和P.expansum。体内试验发现当归茎叶精油处理能有效抑制T.roseum在樱桃番茄上的扩展,第7天时60、90 μL/mL当归茎叶精油处理组的病斑直径分别比对照组降低了51%、69%。

本文引用格式

乔彩红 , 李斌山 , 张忠 , 毕阳 , 李子和 , 朱亚同 , 武淑娟 . 当归茎叶精油对四种果蔬采后腐败真菌的抑制活性[J]. 食品与发酵工业, 2022 , 48(11) : 206 -212 . DOI: 10.13995/j.cnki.11-1802/ts.029680

Abstract

Angelica sinensis (Oliv.) Diels is authentic medicinal material of Gansu province. To provide theoretical basis for a comprehensive resource utilization of A. sinensis wastes, the extraction ratio, main chemical component and antifungal activity of the A. sinensis leaf essential oil were studied. Double broth dilution was used to determine the minimum inhibitory concentration (MIC) and the minimum fungicidal concentration (MFC) of the essential oil against four postharvest pathogens (Penicillium expansum, Alternaria alternata, Fusarium sulphureum and Trichothecium roseum). Fumigation method was used to determine antifungal activity against the four fungi in vitro and against T. roseum on cherry tomatoes, in vivo. The results showed that the yield of A. sinensis leaf essential oil was 0.057%. Totally 51 components were identified in the essential oil, among them 2, 4, 5-trimethylbenzaldehyde (22.7%) and α-pinene (11.1%) were the most abundant compounds. The MIC and MFC of the essential oil on F. sulphureum, A. alternata and P. expansum was 2.34 μL/mL and 9.37 μL/mL, respectively. The MIC and MFC of T. roseum were 1.17 and 9.37 μL/mL, respectively. The inhibition order of the essential oil on the mycelial growth of the four fungi was T. roseum, F. sulphureum, A. alternata and P. expansum from the highest to the lowest. The essential oil could inhibit the expansion of the pink-mold rot on cherry tomatoes effectively. On the 7th day, the diameter of disease lesions of the 60 and 90 μL/mL groups decreased by 51% and 69% compared with that of control group, respectively.

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