Use of Microwave-assisted Hydrodistillation to Extract the Essential Oils from Satureja hortensis and Satureja montana
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Microwave-assisted hydrodistillation (MAHD) has recently been attended for the extraction of essential oils from medicinal plants/herbs. In this study, MAHD was investigated for the extraction of essential oils from two genotypes of savory (<I>Satureja hortensis</I>, so-called summer savory, and <I>Satureja montana</I>, so-called winter savory). Three levels of microwave power (220, 440 and 660 W) were selected for the extraction. MAHD resulted in a shorter extraction time compared to that in HD. Total extraction times at 660 W microwave power was 180 min for <I>S. hortensis</I> and 90 min for <I>S. montana</I>. The extraction yield obtained by MAHD was almost equal to that obtained by HD (3.1%, w/w, for <I>S. hortensis</I> and 0.7% for <I>S. Montana</I>). Extraction was more efficient at higher power levels.
- Food Science and Technology International, Tokyo
Food Science and Technology International, Tokyo 14(3), 311-314, 2008-05-01
Japanese Society for Food Science and Technology