Comparison of Microwave-Assisted and Hydrodistillation Methods for Extraction of Essential Oil from Achillea millefolium


1 MS student, Department of Agriculture, Damghan Branch, Islamic Azad University, Damghan, Iran

2 Assistant professor, Department of Agriculture, Damghan Branch, Islamic Azad University, Damghan, Iran

3 Assistant professor, Department of Chemistry, Damghan Branch, Islamic Azad University, Damghan, Iran


Microwave-assisted hydrodistillation (MAHD) method has been compared with hydrodistillation (HD) conventional technique for extraction of essential oil from Achillea millefolium. Microwave-assisted hydrodistillation were examined at three levels of microwave powers (300, 500, and 700 W). Obtained results show that MAHD offers important advantages over HD in terms of energy savings and extraction time (20 min against 2.5 h). Also, the essential oils were analyzed by GC-MS. The amount of oxygenated compounds and monoterpene, such as 1,8 -Cineole, Lavandulyl acetate,Caryophylla-dien, Aromadendrene were increased in the microwave method. All these results suggest that MAHD represents an excellent alternative method for extraction of essential oils from plant materials.


Asghari J., Ondruschka B., Mazaheritehrani
M., 2011. Extraction of bioactive chemical
compounds from the medicinal Asian plants
by microwave irradiation, Journal of
Medicinal Plants Research, 5(4) : 495-506.
Bayramoglu B., Sahin S., Sumnu G., 2008.
Solvent-free microwave extraction of
essential oil from oregano, Journal of food
Engineering. 88(4):535-540
Emami A., Shams Ardekani M., Nekoee
naeini N., 2002. Treatment plant,45(1).
Kanimozhi P., Ilango K., Anupam Ch., Arun
B., Ammarmohammed M.A., Nethaji A.,
Microwave assisted extraction of
Artemisia pallens for tyrosinase inhibitory
Mozafarian V., 1996. The names of Iranian
plants, p 700.
Ramanadhan B., 2005. Microwave extraction
of essential oils (from black pepper and
coriander) At 2.46 GHz, A thesis Submitted
to the College of Graduate Studies for the
Degree of Master of Science in the
Department of Agricultural and Bioresource
Engineering University of,Saskatoon,
Saskatchewan Canada, 1-169.
Riela S., Bruno M., Formisano C., Rigano D.,
Rosselli S., Saladino M.L., Senatore F., 2008.
Effects of solvent-free microwave extraction
on the chemical composition of essential oil
of Calamintha nepeta (L.) Savi compared
with the conventional production method, J.
Sep. Sci. (31): 1110 ââ‚‌“ 1117.
Tatke P., Jaiswal Y., 2011. An overview of
microwave assisted extraction and its
applications in herbal drug research, Research
journal of medicinal plant 5(1): 21-31.
Tavakoli Saberi M., Sedaghat M.R., 1981.
Medicinal plants, 23-28.
Yang G., Wang G., Li X., Zhang M., 2011.
Study on New Extraction Technology and
Chemical Composition of Litsea Cubeba
Essential Oil, The Open Materials Science
Journal, 5:93-99.
Zargari A., 1995. Medicinal plants, Tehran
university, 695(3).
Zheng X., Liu B., Li L., Zhu X., 2011.
Microwave-assisted extraction and
antioxidant activity of total phenolic
compounds from pomegranate peel, Journal
of medicinal plants research, 5(6): 1004-1011.
Zhou T., Xiao X., Li G., Caib Z., 2011. Study
of polyethylene glycol as a green solvent in
the microwave-assisted extraction of flavone
and coumarin compounds from medicinal
plants, Journal of Chromatography A,( 1218):