Antimicrobial substances in cereals and fodder plants.
Antimicrobial substances in cereals and fodder plants.
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谷物和饲料植物中的抗菌物质。
DOI：
10.1016/0003-9861(57)90513-1
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发表时间：
1957
影响因子：
3.9
通讯作者：
Ö. Wahlroos
中科院分区：
文献类型：
--
作者：
A. Virtanen;P. Hietala;Ö. Wahlroos
绿色黑麦幼苗压榨液中的活性因子具有较强的抑菌活性，经轻度酸化后可定量地进入乙醚中。它以纯的形式被分离并被确定为2（3）-苯并恶唑啉酮。乙醚提取物对雪腐镰刀菌和三叶核盘菌的抑菌效果与苯并恶唑啉酮的含量密切相关。根据这一事实和纸层析研究，黑麦的抗真菌作用至少主要取决于其苯并恶唑啉酮的含量。其结构确定为6-甲氧基-2（3）-苯并恶唑啉酮。通过合成证实了该结构。从苜蓿和红三叶草中分离得到抗真菌因子。对红三叶草中的活性物质进行了纯化。它是一种芳香族酚，分子量约为300，不含氮。在马铃薯叶中，发现绿原酸的浓度很高，至少在抗性品种Aquila中可以抑制晚疫病（Phytophthora infestans）。甚至在我们实验室研究的所有其他栽培植物中也发现了抗真菌活性。
The active factor in the press juice of green rye seedlings, which has a strong antifungal activity, goes into ether quantitatively after mild acidification. It was isolated in pure form and established as 2(3)-benzoxazolinone. The antifungal effect of the ether extract againstFusarium nivaleandSclerotinia trifoliorumclosely corresponds to its benzoxazolinone content. On the basis of this fact and paper chromatography investigations, the antifungal effect of rye depends, mainly at least, on its benzoxazolinone content.An antifungal factor was isolated from young wheat and maize plants. Its structure was established as 6-methoxy-2(3)-benzoxazolinone. This structure was confirmed by synthesis. The antifungal effect of benzoxazolinone and its methoxy derivative is practically the same.Antifungal factors were isolated from alfalfa and red clover. The active substance in red clover was purified. It is an aromatic phenol with a molecular weight of about 300 and does not contain nitrogen.In potato leaves, chlorogenic acid was found to occur in so high a concentration that it inhibits late blight (Phytophthora infestans) at least in the resistant variety Aquila. An antifungal activity was found even in all other cultivated plants investigated in our laboratory.