A mosquito larvicidal diterpenoid isolated from Podocarpus totara D. Don ex Lambert

S. E. Lee; E. K. Park; J. G. Kim

doi:10.18474/0749-8004-35.4.474

A mosquito larvicidal diterpenoid isolated from Podocarpus totara D. Don ex Lambert

S. E. Lee, E. K. Park, J. G. Kim

School of Applied Bioscience

United States Department of Agriculture

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Totarol, a diterpenoid phenol isolated from Podocarpus tota a (D. Don ex Lambert) root bark, was found to be active against second- and fourth-instar Cule: pipiens Coquillett with the 24 h LC₅₀ values of 0.25 and 0.37 μg/mL, respectively. The mosquito larvicidal activity against C. pipiens increased when bioassays were extended to 48 h. Structural elucidation of totarol was by means of ¹H-NMR. ¹³C-NMR. and GC-MS analysis.

Original language	English
Pages (from-to)	474-477
Number of pages	4
Journal	Journal of Entomological Science
Volume	35
Issue number	4
DOIs	https://doi.org/10.18474/0749-8004-35.4.474
State	Published - 2000

Keywords

Mosquito larvicidal activity
Podocarpus totara
Totarol

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10.18474/0749-8004-35.4.474

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title = "A mosquito larvicidal diterpenoid isolated from Podocarpus totara D. Don ex Lambert",

abstract = "Totarol, a diterpenoid phenol isolated from Podocarpus tota a (D. Don ex Lambert) root bark, was found to be active against second- and fourth-instar Cule: pipiens Coquillett with the 24 h LC50 values of 0.25 and 0.37 μg/mL, respectively. The mosquito larvicidal activity against C. pipiens increased when bioassays were extended to 48 h. Structural elucidation of totarol was by means of 1H-NMR. 13C-NMR. and GC-MS analysis.",

keywords = "Mosquito larvicidal activity, Podocarpus totara, Totarol",

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AU - Lee, S. E.

AU - Park, E. K.

AU - Kim, J. G.

PY - 2000

Y1 - 2000

N2 - Totarol, a diterpenoid phenol isolated from Podocarpus tota a (D. Don ex Lambert) root bark, was found to be active against second- and fourth-instar Cule: pipiens Coquillett with the 24 h LC50 values of 0.25 and 0.37 μg/mL, respectively. The mosquito larvicidal activity against C. pipiens increased when bioassays were extended to 48 h. Structural elucidation of totarol was by means of 1H-NMR. 13C-NMR. and GC-MS analysis.

AB - Totarol, a diterpenoid phenol isolated from Podocarpus tota a (D. Don ex Lambert) root bark, was found to be active against second- and fourth-instar Cule: pipiens Coquillett with the 24 h LC50 values of 0.25 and 0.37 μg/mL, respectively. The mosquito larvicidal activity against C. pipiens increased when bioassays were extended to 48 h. Structural elucidation of totarol was by means of 1H-NMR. 13C-NMR. and GC-MS analysis.

KW - Mosquito larvicidal activity

KW - Podocarpus totara

KW - Totarol

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JO - Journal of Entomological Science

JF - Journal of Entomological Science

IS - 4

ER -

A mosquito larvicidal diterpenoid isolated from Podocarpus totara D. Don ex Lambert

Abstract

Keywords

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