Journal
FITOTERAPIA
Volume 130, Issue -, Pages 247-250Publisher
ELSEVIER
DOI: 10.1016/j.fitote.2018.09.007
Keywords
Juncus effusus; Phenanthrene; Antifungal activity; Antibacterial activity
Categories
Funding
- National Natural Science Foundation of China [81872755]
- Key Project of Yunnan Tobacco Industry Co. Ltd. [2016XY02]
- Central Universities [0903005203401]
- Chongqing University in China [0236011104424]
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Three new phenanthrenes (1-3), designated as 2-methoxy-1,6-dimethyl-5-vinyl-9, 10-dihydrophenanthren-7-ol, 1,6-dimethyl-4,5-dihydropyrene-2,7-diol and 1-(3,7- dihydroxy-2,8-dimethy1-9,10-dihydrophenanthren-l-y1) ethanone, were isolated from the aerial parts of Juncus effusus. Their structures were determined by extensive spectroscopic experiments (NMR and MS) and comparing with those related known compounds. The antifungal and antibacterial activities of 1-3 were evaluated. Compound 1 showed remarkable antifungal activities against six agricultural pathogenic fungi (Rhizoctonia solani, Verticillium dahliae Kleb, Sclerotinia sclerotiorum, Gibberella saubinetii, Bipolaris zeicola, and Phytophthora parasitica) with minimum inhibitory concentration (MIC) values ranging from 3.125 to 12.5 mu g/mL, and also displayed significant antibacterial activities against two human pathogenic bacteria (Bacterium paratyphoswn B and Micrococcus lysodeikticus) with MIC values of 12.5 and 25 mu g/mL, respectively.
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