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    不同海拔及品种的紫斑牡丹精油成分对比

    Comparison in essential oil components of different varieties at varied altitudes of Paeonia rockii

      摘要
    • 摘要:
        目的  研究不同海拔及品种紫斑牡丹精油的成分，探究其精油化合物构成的异同。
        方法  本实验以不同海拔相同品种和相同海拔不同品种的紫斑牡丹花为材料，制备牡丹精油，对紫斑牡丹精油含量及构成进行分析研究。
        结果  不同海拔不同品种的紫斑牡丹精油含量不同，白色紫斑牡丹精油含量最高，达0.109%，紫色紫斑牡丹次之，为0.103%，而粉色紫斑牡丹精油含量最低，为0.075%。3个不同海拔梯度（1、2、3号地）的紫斑牡丹精油共检测出70种化合物，1、2和3号地分别检测出54、53和57种化合物，主要成分均为香叶醇（5.07%、13.87%、13.74%），十四烷（5.99%、9.86%、7.25%），7-十二碳烯-1-醇-乙酸酯（35.16%、29.16%、25.01%），二十二烷（7.26%、6.29%、7.32%）和二十三烷（8.00%、6.36%、8.11%）。3种不同品种（白色、粉色、紫色）的紫斑牡丹精油共检测出75种化合物，白色、粉色和紫色紫斑牡丹分别检测出59、54和62种，主要成分均为香叶醇（3.91%、5.07%、9.52%），十四烷（15.93%、5.99%、8.96%），7-十二碳烯-1-醇-乙酸酯（19.79%、35.16%、22.91%），二十二烷（12.40%、7.26%、6.60%）和二十三烷（7.83%、8.00%、6.37%）。不同海拔不同品种紫斑牡丹精油虽都以上述5种成分为主，但含量差异较大，同时，精油中的其他成分在种类、数量和含量上也有较大的差异。
        结论  本研究可为紫斑牡丹的生长条件选择、类别鉴定及紫斑牡丹精油的广泛应用提供基础理论支持。

       

      Abstract:
        Objective  The composition of essential oil extracted from different altitudes and varieties of Paeonia rockii was studied, and the differences and similarities of the composition of compounds were also explored.
        Method  In this experiment, P. rockii essential oil was prepared from different altitudes of the same species and different varieties at same altitudes. The essential oil content and composition of P. rockii were analyzed.
        Result  The essential oil content in P. rockii of varied altitudes and varieties was different, in which, white P. rockii had the highest essential oil content, reaching 0.109% purple P. rockii was the next, reaching 0.103%, while the pink P. rockii in ground 3 had the lowest essential oil content of 0.075%. A total of 70 compounds were detected in three different altitude gradients (ground 1, ground 2, and ground 3), and 54, 53 and 57 compounds were detected in ground 1, ground 2, and ground 3, respectively. Main components were all geraniol (5.07%, 13.87%, 13.74%), tetradecane (5.99%, 9.86%, 7.25%),7-dodecen-1-ol-acetate (35.16%, 29.16%, 25.01%), dodecane (7.26%, 6.29%, 7.32%) and tricosane (8.00%, 6.36%, 8.11%). A total of 75 compounds were detected in essential oil extrated from three different varieties of P. rockii (white, pink, purple), and 59, 54 and 62 components were detected in white, pink and purple P. rockii, respectively. The main components were all geraniol (3.91%, 5.07%, 9.52%), tetradecane (15.93%, 5.99%, 8.96%), 7-dodecen-1-ol-acetate (19.79%, 35.16%, 22.91%), dodecane (12.40%, 7.26%, 6.60%) and tricosane (7.83%, 8.00%, 6.37%). Although the P. rockii essential oil of different varieties at varied altitudes was mainly composed of the above five components, yet the content varied greatly. At the same time, the other components in the essential oil also had great differences in type, quantity and content.
        Conclusion  This study can provide basic theoretical support for the selection of growth conditions, identification of types and the wide application of essential oil of P. rockii.

       

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