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题名: Nematicidal activity and chemical component of Poria cocos
作者: Li, GH; Shen, YM; Zhang, KQ
刊名: JOURNAL OF MICROBIOLOGY
关键词: Poria cocos ; nematicidal activity ; nematicidal fungi ; structural analysis
英文摘要: Poria cocos, a famous traditional Chinese medicine, was found to have nematicidal activity in experiments searching for nematicidal fungi. The experiment showed it could kill 94.9% of the saprophytic nematode, Panagrellus redivivue, 92.6% of the root-knot nematode, Meloidogyne arenaria, and 93.5% of the pine nematode, Bursaphelenchus xylophilus, on PDA plate within 12 hours. According to the nematicidal activity, three new compounds, 2, 4, 6-triacetylenic octane diacid, 2, 4, 5, 6-tetrahydrox-yhexanoic acid and 3,4-dihydroxy-2-keto-n-butyl 2,4,5,6-tetrahydroxyhexanate, were isolated from submerged cultures of Poria cocos. Of these, 2, 4, 6-triacetylenic octane diacid could kill 83.9% Meloidogyne arenaria and 73.4% Panagrellus redivivus at 500 ppm within 12 hours. Here, it is reported for the first time that Poria cocos has nematicidal activity.
出版日期: 2005-02-01
卷号: 43, 期号:1, 页码:17-20
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/5152
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Yunnan Univ, Lab Conservat & Utilizat Bioresource, Kunming 650091, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China

Recommended Citation:
Li, GH; Shen, YM; Zhang, KQ.Nematicidal activity and chemical component of Poria cocos,JOURNAL OF MICROBIOLOGY,2005,43(1):17-20
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