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  • Title: [Chemical constituents from fruits of Aristolochia mollissima and their nematicidal activity against root-knot nematode].
    Author: Bu MM, Yu SQ, Dong CZ.
    Journal: Zhongguo Zhong Yao Za Zhi; 2018 Aug; 43(16):3307-3314. PubMed ID: 30200734.
    Abstract:
    In the present study, in vitro nematicidal activity of chemical compositions from the methanol extract of Aristolochia mollissima fruits against the second stage juvenile (J2) of Meloidogyne javanica have been investigated. By using silica gel column chromatography, Sephadex LH-20 gel column chromatography methods, fourteen compounds were isolated from methanol extract of A. mollissima fruits. On the basis of spectral data, their structures were identified as aristolochic acid I (1), aristololactam I (2), aristololactam W (3), manshurolide (4), aristolactone (5), saropeptate (6), 2-(1-oxononadecyl)aminobenzoic acid (7), β-sitosterol (8), sitostanetriol (9), daucosterol (10), formosolic acid (11), 5-ethyl-8,8-dimethyl nonanal (12), tetracosanoic acid,2,3-dihydroxypropyl ester (13) and tetracosanoic acid (14), respectively. It is the first time that compounds 2-4, 6-7, 9-14 are separated from A. mollissima. Furthermore, nematicidal activity of fourteen monomer compounds against J2 Meloidogyne javanica in vitro were analyzed. The compounds 1-3, 6-7 exhibited different degrees toxic effects on J2 M. javanica in vitro, especially for aristolochic acid I (1), aristololactam I (2), aristololactam W (3) with the LC₅₀ values of 45.25, 36.56, 119.46 mg·L⁻¹ after 96 h. So, A. mollissima have the potential value of developing new plant source to control root nematodes.
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