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Nematicidal Activity of Honokiol and Magnolol Isolated from Magnolia tripetala
Author(s) -
Li GuoHong,
Dang LiZhi,
Hong LinJun,
Zheng LiJun,
Liu FangFang,
Li Lei,
Liu YaJun,
Zhang KeQin
Publication year - 2009
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.2008.01507.x
Subject(s) - honokiol , magnolol , biology , ethyl acetate , caenorhabditis elegans , bursaphelenchus xylophilus , bioassay , botany , traditional medicine , biochemistry , nematode , ecology , gene , medicine
Abstract Ethyl acetate extract of the branches of Magnolia tripetala exhibited nematicidal activity against Bursaphelenchus xylophilus , Panagrellus redivivus and Caenorhabditis elegans . Two nematicidal phenolic compounds magnolol ( 1 ) and honokiol ( 2 ) were isolated from the extract based on bioassay‐guided fractionation. The median lethal concentrations (LC 50 ) of compounds 1 – 2 were 149.3 and 63.7 mg/l, respectively, against B. xylophilus , 74.5 and 75.9 mg/l, respectively, against P. redivivus , 64.7 and 57.8 mg/l, respectively, against C . elegans at 48 h.

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