Comparative analysis of the differences in volatile organic components of three lavender essential oils in Ili region using sensory evaluation, GC-IMS and GC-MS techniques

IF 3.8 2区化学 Q1 BIOCHEMICAL RESEARCH METHODS

Journal of Chromatography A Pub Date : 2024-07-25 DOI:10.1016/j.chroma.2024.465197

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Abstract

Lavender (Lavandula angustifolia Mill.) is a widely utilized aromatic plant, with the economic value of its essential oil (EO) largely dependent on its aroma. This study investigated the differences in volatile organic compounds (VOCs) within the EOs of three species of lavender (H70-1, French blue, Taikong blue) in Ili region from 2019 to 2023 with the combination of sensory evaluation, gas chromatography-ion mobility spectrometry (GC-IMS), and gas chromatography-mass spectrometry (GC-MS). The EO from Taikong blue lavender exhibited greater stability in VOC composition compared to the other two varieties. Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA) effectively distinguished the aromas of the three EOs aroma. Combining odor activity value (OAV) and variable importance in projection (VIP) values identified five VOCs crucial for discriminating among the three lavender EO types. This study provides theoretical support for the cultivation and commercialization of lavender as an industrial crop, as well as for quality control of EO production in the Ili region.

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利用感官评价、GC-IMS 和 GC-MS 技术比较分析伊犁地区三种薰衣草精油挥发性有机成分的差异。

薰衣草（Lavandula angustifolia Mill.）是一种用途广泛的芳香植物，其精油（EO）的经济价值主要取决于其香气。本研究结合感官评价、气相色谱-离子迁移质谱法（GC-IMS）和气相色谱-质谱法（GC-MS），研究了 2019 年至 2023 年伊犁地区三种薰衣草（H70-1、法国蓝、太公蓝）精油中挥发性有机化合物（VOCs）的差异。与其他两个品种相比，太公蓝薰衣草的环氧乙烷在挥发性有机化合物成分方面表现出更大的稳定性。正交偏最小二乘法判别分析（OPLS-DA）可有效区分三种熏衣草香气。结合气味活性值（OAV）和预测变量重要性（VIP）值，确定了对区分三种薰衣草环氧乙烷类型至关重要的五种挥发性有机化合物。这项研究为伊犁地区薰衣草作为工业作物的种植和商业化，以及环氧乙烷生产的质量控制提供了理论支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Chromatography A 化学-分析化学

CiteScore

7.90

自引率

14.60%

发文量

742

审稿时长

45 days

期刊介绍： The Journal of Chromatography A provides a forum for the publication of original research and critical reviews on all aspects of fundamental and applied separation science. The scope of the journal includes chromatography and related techniques, electromigration techniques (e.g. electrophoresis, electrochromatography), hyphenated and other multi-dimensional techniques, sample preparation, and detection methods such as mass spectrometry. Contributions consist mainly of research papers dealing with the theory of separation methods, instrumental developments and analytical and preparative applications of general interest.

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