Phytotoxicity of secondary metabolites from Aptenia cordifolia

被引：43

作者：

DellaGreca, Marina

Fiorentino, Antonio

Izzo, Angelina

Napoli, Filomena

Purcaro, Raffaella

Zarrelli, Armando

机构：

[1] Univ Naples Federico II, Dipartimento Chim Organ & Biochim, I-80126 Naples, Italy

[2] Univ Naples 2, Dipartimento Sci Vita, I-81100 Caserta, Italy

来源：

CHEMISTRY & BIODIVERSITY | 2007年 / 4卷 / 02期

关键词：

CHEMICAL-SHIFTS; NMR;

D O I：

10.1002/cbdv.200790016

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

From the fresh leaves or twigs of Aptenia cordifolia, a total of 29 compounds were isolated, including the new tetranoroxyneolignan 18, the new dilignan 19, and the beta-ionone derivative 27, previously only known as a synthetic compound, together with 26 known compounds. The structures of the new products were determined by H-1-, (13)G, and 2D-NMR, as well as HR-MS analyses. The phytotoxic effects of the isolates on the germination and growth of the dicotyledon Lactuca sativa L. (lettuce) were studied in the concentration range 10(-4) to 10(-7) m. Several constituents of A. cordifolia were found to be equally active as or superior to 4-hydroxybenzoic acid (HBA) used as positive control.

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页码：118 / 128

页数：11

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