Rabiatul Adawiyah Mohd Darwis, Mohd Izzat Arslan Che Ros, Nurafiqah Farhana Muhd Yazid, F. C. Ros
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引用次数: 0
摘要
采用传统的水蒸馏法（蒸汽蒸馏法）和无溶剂微波辅助萃取法，在不同的温度和微波辐照功率下，对本地植物 Plectranthus amboinicus 和 Melaleuca cajupati 的叶子进行了萃取。萃取出的精油的化学成分通过气相色谱分析进行了鉴定。在微波功率分别为 200 W 和 400 W 的情况下，马齿苋和白千层的理想萃取时间分别为 120 分钟，计算得出的萃取率分别为 0.034 % 和 0.276 %。本文介绍了所选微波功率、第一滴油和萃取时间的结果，还讨论了两种植物中化学成分的发现。
Chemical composition of hydrodistillation and solvent-free microwave extraction of essential oils from Plectranthus amboinicus and Melaleuca cajupati leaves and their repellent activity
Extraction of the native plants Plectranthus amboinicus and Melaleuca cajupati leaves have been carried out using traditional hydrodistillation (steam distillation) and solvent free microwave-assisted extraction methods at different temperatures and microwave irradiation powers. The chemical compositions of the essential oils extracted were identified using gas chromatography analysis. The ideal extraction time for Pletranthus amboinicus and Melaleuca cajupati were 120 min with microwave power 200 W and 400 W, respectively with the calculated extraction yield were 0.034 % and 0.276 %, respectively. In this paper, the results of the selected microwave powers, first oil drops, and extraction time are presented as well as the findings of the chemical compositions present in both plants are also discussed.
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