期刊
NATURAL PRODUCT RESEARCH
卷 33, 期 22, 页码 3254-3259出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2018.1475382
关键词
Delphinium naviculare var; lasiocarpum; diterpenoid alkaloid; navicularine; antifeedant activity
资金
- National Natural Science Foundation of China [81773605]
- Research Foundation for Educational Commission of Sichuan Province [15TD0048]
- Interdisciplinary Frontier Basic Research Project of SWJTU [2682017QY04]
A new lycoctonine diterpenoid alkaloid navicularine, along with eighteen known diterpenoid alkaloids, were isolated from the whole plant of Delphinium naviculare var. lasiocarpum. Their structures were elucidated on the base of extensive spectroscopic analysis (HR-ESI-MS and NMR) and comparison with data reported in the literature. Most of alkaloids were tested for their antifeedant activity against larvae of Spodoptera exigua (Hubner). The compound shawurensine showed considerably potent antifeedant activity (EC50 = 0.42 and 0.81 mg/cm(2) in the choice test and no choice test, respectively).
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