Abstract
Five ingenane compounds, 1-5, kansuinins A and B, isolated from Euphorbia kansui, and their derivatives 7 and 9 were tested for termiticidal activity against the Japanese termite, Reticulitermes speratus. At 72 hours after treatment, the ingenane compounds 1 to 5 caused 100% mortality in R. speratus at 50, 25 and 12.5 μg/disk, respectively, except for compound 1, which gave a mortality rate of (93.06 ± 5.56)% at 12.5 μg/disk. At 36, 48 and 60 hours after treatment, compounds 1 to 5 showed more termiticidal activity than kansuinins A and B and their derivatives. The kansuinins showed no or only slight activity against termites in the filter paper bioassay under the conditions tested compared with a solvent control.
| Original language | English |
|---|---|
| Pages (from-to) | 51-58 |
| Number of pages | 8 |
| Journal | Zeitschrift fur Naturforschung - Section C Journal of Biosciences |
| Volume | 63 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - Jan 1 2008 |
Keywords
- Diterpenoid
- Euphorbia kansui
- Reticulitermes speratus
- Termiticidal activity
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
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Cite this
Shi, J., Li, Z., Izumi, M., Baba, N., & Nakajima, S. (2008). Termiticidal activity of diterpenes from the roots of euphorbia kansui. Zeitschrift fur Naturforschung - Section C Journal of Biosciences, 63(1-2), 51-58. https://doi.org/10.1515/znc-2008-1-210