Leaf surface sesquiterpene alcohols of the potato (Solanum tuberosum) and their influence on Colorado beetle (Leptinotarsa decemlineata Say) feeding

被引：15
作者：
Szafranek, Beata
Chrapkowska, Karolina
Waligora, Danuta
Palavinskas, Richard
Banach, Arkadiusz
Szafranek, Janusz
机构：
[1] Univ Gdansk, Fac Chem, PL-80952 Gdansk, Poland
[2] Plant Protect Inst, PL-60138 Poznan, Poland
[3] Bundesinst Risikobewertung, Berlin, Germany
来源：
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2006年 / 54卷 / 20期
关键词：
Solanum tuberosum; potato; sesquiterpene alcohols; HPLC; NMR; Colorado potato beetle; feeding behavior;
D O I：
10.1021/jf0615653
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The structures of two previously unknown sesquiterpene alcohols of the potato (Solanum tuberosum) were assigned. The potato alcohols were obtained by steam-distillation, preparative column chromatography, and separation into fractions by HPLC on a silica gel column. The fractions were studied by GC-FID, GC-MS, and NMR spectroscopy. The potato sesquiterpene alcohols were identified as kunzeaol (6-alpha-hydroxygermacra-1(10), 4-diene) and ledol. These two compounds were used in feeding tests with larvae and beetles of the Colorado potato beetle (Leptinotarsa decemlineata Say). In a bioassay, kunzeaol was found to act as a feeding attractant for the beetles.
引用
收藏
页码：7729 / 7734
页数：6
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