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<p>Morocco and Spain are important exporters of essential oils, partly due of their favorable agro-climatic conditions, which support the growth of both wild and cultivated aromatic plants. The aim of the present study was to analyze the volatile compounds of fifty-nine commercial essential oils (EOs) used in Morocco and Spain analyzed by gas chromatography coupled with mass spectrometry (GC/MS). The chemical profiles of 15 essential oils from Myrtaceae, 5 from Apiaceae, 21 from Lamiaceae, 4 from Rutaceae, 6 from Poaceae, 5 from Pinaceae, and 3 from Cupressaceae were determined by GC/MS and discussed. Agglomerative cluster analysis and dendrograms based on the volatile compounds of the studied essential oils revealed important qualitative and quantitative differences among various plant species within the same botanical family. In contrast, certain oils, such as those from Eucalyptus species, exhibited minimal variation in chemical composition, even when sourced from different regions or companies. However, EOs from Apiaceae species displayed low correlation, likely due to distinct main compounds. These findings suggest that geographical origin and market source play key roles in determining the chemical composition of essential oils.</p>

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Chemometric comparison based on volatile compound composition and plant family of some commercial essential oils used in Morocco and Spain

  • 期刊论文

  • 发表日期：

    2025年6月2日

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  • Anass El Ouaddari,
  • Driss Benmessaoud Left,
  • Othman El Faqer,
  • Zakaria Benchama,
  • Jamal Jamal-Eddine,
  • Samir Iben Moussa,
  • José Antonio Cayuela-Sánchez,
  • Abdelaziz El Amrani

摘要

Morocco and Spain are important exporters of essential oils, partly due of their favorable agro-climatic conditions, which support the growth of both wild and cultivated aromatic plants. The aim of the present study was to analyze the volatile compounds of fifty-nine commercial essential oils (EOs) used in Morocco and Spain analyzed by gas chromatography coupled with mass spectrometry (GC/MS). The chemical profiles of 15 essential oils from Myrtaceae, 5 from Apiaceae, 21 from Lamiaceae, 4 from Rutaceae, 6 from Poaceae, 5 from Pinaceae, and 3 from Cupressaceae were determined by GC/MS and discussed. Agglomerative cluster analysis and dendrograms based on the volatile compounds of the studied essential oils revealed important qualitative and quantitative differences among various plant species within the same botanical family. In contrast, certain oils, such as those from Eucalyptus species, exhibited minimal variation in chemical composition, even when sourced from different regions or companies. However, EOs from Apiaceae species displayed low correlation, likely due to distinct main compounds. These findings suggest that geographical origin and market source play key roles in determining the chemical composition of essential oils.