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Updated: Jun 6, 2026

Infection of In Vivo and In Vitro Pines with the Pinewood Nematode Bursaphelenchus xylophilus and Isolation of Induced Volatiles
Published on: September 27, 2024
[Studies on the chemical constituents from pine needles of Cedrus deodara (II)]
Jun-Min Zhang1, Xiao-Feng Shi, Qu-Huan Ma
1Gansu Academy of Medical Science, Lanzhou 730050, China. zhangjunm07@lzu.cn
Objective:
To study the chemical constituents from pine needles of Cedrus deodara.
Methods:
Chemical constituents were isolated from 95% ethanol extract by silica gel and Sephadex LH-20 column chromatography. The structures were elucidated through spectroscopic analysis.
Results:
The compounds were identified as 10-nonacosanol (1), dibutyl phthalate (2), protocatechuic acid (3), phthalic acid bis-(2-ethylhexyl) ester (4), (E)-1-O-p-coumaroyl-beta-D-glucopyranoside (5), 5-p-trans-coumaroylguinic acid (6).
Conclusions:
Compounds 1- 6 are obtained from this genus for the first time.
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