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KMID : 0903519940370020115
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1994 Volume.37 No. 2 p.115 ~ p.123
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Isolation of volatile allelochemicals from leaves of Perilla frutescens and Artemisia asiatica
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백남인/Baek, Nam In
서영호/임선욱/이영근/Seo, Young Ho/Lim, Sun Uk/Lee, Young Guen
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Abstract
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Allelopathic activity of the volatiles from leaves of Perilla frutescens an Artemisia asiatica was determined on the basis of bioassay, which tested germination and seedling growth of radish, rice, mung bean and lettuce. Seedling growth was more inhibited by phytotoxic volatiles than germination. Volatile components collected by headspace cold trapping-Tenax GC adsorption were analyzed by GC-MS. Fifteen volatile components in P. frutescens and 15 components in A. asiatica were identified. By steam distillation-extraction, 4 flavor components in P. frutescens and 10 components in A. asiatica were identified. The inhibitory activity of the fractions, obtained by steam distillation-extraction, was determined by virtue of bioassay on radish. Volatile allelochemicals of the most active fraction, neutral fraction, isolated from P. frutescens contained 9 components. In A. asiatica, 24 volatile allelochemicals were identified.
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