Chemical composition of the essential oils of Lippia alba(Mill.)N.E.Br. at different times of harvest and different parts of branches

Authors

  • D. M. Castro Universidade Estadual Paulista
  • L. C. Ming Universidade Estadual Paulista
  • M. O. M. Instituto Agronômico de Campinas

DOI:

https://doi.org/10.70151/928f3z65

Keywords:

Lippia alba, volatile oil, plant components

Abstract

This work aimed to determine the best harvest time for biomass production, yield and essential oil composition considering the seasonal variation (spring, summer, autumn and winter) on different plant parts (apical, medial and basal). Essential oils were extracted by hydro-distillation with a Clevenger apparatus for both fresh and dry mass obtained in field and lab conditions respectively. The extracted essential oils were analyzed by GS/MS (Shimadzu, QP-5000). The chemical components were identified by comparing their mass spectrum to the patterns filed in the MS computer memory (Wiley, 139, Lib.), to the literature references, and by co-injection with authentic standards. Applying phyto-chemical tests on fresh and dry mass, the chemical component percentages of essential oils were calculated and identified as follows: citral (neral and geranial), myrcene, caryophylene and elemene.

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Author Biographies

  • D. M. Castro, Universidade Estadual Paulista

    Departamento de Produção Vegetal

  • L. C. Ming, Universidade Estadual Paulista

    Departamento de Produção Vegetal

  • M. O. M., Instituto Agronômico de Campinas

    Centro Genética, Biologia Molecular e Fitoquímica

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Published

2002-04-26

Issue

Vol. 4 No. 2 (2002)

Section

Articles

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

How to Cite

Chemical composition of the essential oils of Lippia alba(Mill.)N.E.Br. at different times of harvest and different parts of branches. (2002). Revista Brasileira De Plantas Medicinais, 4(2), 75-79. https://doi.org/10.70151/928f3z65