期刊
ANALYTICA CHIMICA ACTA
卷 555, 期 1, 页码 157-160出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2005.08.071
关键词
microwave; steam distillation; essential oil; lavender flowers
A new process design and operation for microwave accelerated steam distillation (MASD) of essential oils was developed. A packed bed of lavender flowers (Lavandula angustifolia Mill., Lamiaceae) sits above the steam source generated by microwave heating. Only steam passes through it without the boiling water mixing with vegetable raw material, as is the case in hydro-distillation. MASD has been compared with a conventional technique, steam distillation (SD), for the extraction of essential oil from lavender flowers. Extraction of essential oils from lavender with MASD was better than SD in terms of energy saving, rapidity (10 min versus 90 min), product yield, cleanliness and product quality. (c) 2005 Elsevier B.V. All rights reserved.
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