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Volatile constituents in the flowers of Elsholtzia argyi and their variation: a possible utilization of plant resources after phytoremediation

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Abstract

Phytoremediation effectiveness and remediation costs are driving factors of this project. Full utilization of plant resources after their being used for phytoremediation is an unsolved problem. GC/MS technique was used to investigate the volatiles of the flowers from Elsholtzia argyi (PFE1: Purple Flower Elsholtzia) and their variation (WFE: White Flower Elsholtzia), naturally growing in Pb/Zn mined area, and Elsholtzia argyi (PFE2: Purple Flower Elsholtzia), naturally growing in Jiuxi uncontaminated agriculture soil. Seventeen compounds constituting 86.88% of total essential oils were identified in PFE1, with 2,6-octadienoic acid, 3,7-dimethyl-methyl ester being the main constituent (63.30%). Sixteen compounds accounting for 95.32% of total essential oils were identified in WFE, with caryophyllene being the main component (55.02%). Compared to PFE1, PFE2 contained lower level of 2,6-octadienoic acid, 3,7-dimethyl-methyl ester (31.76%), which was the main constituent in the total essential oils of PFE2. Caryophyllene is the main ingredient of flavor. Elsholtzia ketone was identified in all the three Elsholtzia plants. It can be concluded that the selected Elsholtzia argyi plants can be exploited on their versatile uses as fragrances and antiseptics due to the perfume ingredient and antibacterial components existing in their essential oils.

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Authors and Affiliations

  1. Ministry of Education Key Lab of Environment Remediation and Ecosystem Health, School of Natural Resources and Environmental Science, Zhejiang University, 310029, Hangzhou, China

    Hong-yun Peng & Xiao-e Yang

Authors
  1. Hong-yun Peng
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  2. Xiao-e Yang
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Correspondence to Hong-yun Peng.

Additional information

Project supported by the National Natural Science Foundation of China (No. 20307008) and the National Basic Research Program (973) of China (No. 2002CB410804)

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Peng, Hy., Yang, Xe. Volatile constituents in the flowers of Elsholtzia argyi and their variation: a possible utilization of plant resources after phytoremediation. J Zheijang Univ Sci B 6, 91–95 (2005). https://doi.org/10.1631/jzus.2005.B0091

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  • DOI: https://doi.org/10.1631/jzus.2005.B0091

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