干旱区生态环境知识资源中心(Arid): Structures and antipathogenic fungi activities of flavonoids from pathogen-infected Astragalus adsurgens

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DOI	10.1080/14786419.2017.1413560
	Structures and antipathogenic fungi activities of flavonoids from pathogen-infected Astragalus adsurgens
	Li, Ya 1; Wei, Wenjun 1; Zhang, Jiwen 2; Li, Guangda 1; Gao, Kun 1
通讯作者	Gao, Kun
来源期刊	NATURAL PRODUCT RESEARCH
ISSN	1478-6419
EISSN	1478-6427
出版年	2019
卷号	33 期号:6 页码:822-826
英文摘要	Healthy Astragalus adsurgens is a highly palatable forage widely cultivated in arid areas of north China, while pathogen- (Embellisia asttrgali) infected A. adsurgens is poisonous forage and often causes disastrous livestock losses. A phytochemical investigation was carried out on the E. asttrgali-infected A. adsurgens; as a result, a new compound, (2R, 3S)-7,4 '-dimethoxy-2 '-hydroxyflavanol (1), together with nine known flavonoids was obtained. It was found that the content of most of these compounds in E. asttrgali-infected A. adsurgens was higher than that in healthy A. adsurgens. Moreover, compounds 2 and 3 exhibited weak inhibitory activity against Fusarium graminearum and E. asttrgali with EC50 over 100 mu g/mL, and showed moderate inhibitory activity against Bipolaris sorokinianum with EC50 of 39.1 and 95.0 mu g/mL. Compounds 1-4 exhibited a high degree of inhibitory activity against Curvularia lunata, with 21.73, 43.93, 45.02 and 44.51% inhibition ratio at concentration of 50 mu g/mL. [GRAPHICS] .
英文关键词	Astragalus adsurgens flavonoids pathogenic infection antipathogenic fungi activity
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000466606100009
WOS关键词	RESISTANCE ; DIVERSITY
WOS类目	Chemistry, Applied ; Chemistry, Medicinal
WOS研究方向	Chemistry ; Pharmacology & Pharmacy
来源机构	兰州大学 ; 西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/217722
作者单位	1.Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou, Gansu, Peoples R China; 2.Northwest A&F Univ, Key Lab Bot Pesticide R&D Shaanxi Prov, Yangling, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Li, Ya,Wei, Wenjun,Zhang, Jiwen,et al. Structures and antipathogenic fungi activities of flavonoids from pathogen-infected Astragalus adsurgens[J]. 兰州大学, 西北农林科技大学,2019,33(6):822-826.
APA	Li, Ya,Wei, Wenjun,Zhang, Jiwen,Li, Guangda,&Gao, Kun.(2019).Structures and antipathogenic fungi activities of flavonoids from pathogen-infected Astragalus adsurgens.NATURAL PRODUCT RESEARCH,33(6),822-826.
MLA	Li, Ya,et al."Structures and antipathogenic fungi activities of flavonoids from pathogen-infected Astragalus adsurgens".NATURAL PRODUCT RESEARCH 33.6(2019):822-826.