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Paper Information

Journal:   JOURNAL OF MEDICINAL PLANTS   DECEMBER 2007 , Volume 6 , Number 24; Page(s) 101 To 110.
 
Paper: 

STUDY OF THE PROCESS OF ESSENTIAL OIL EXTRACTION FROM ROSEMARY PLANT BY USING STEAM DISTILLATION METHOD

 
 
Author(s):  MALEKI DOUZ ZADEH M., KHADIV PARSI P., REZAZADEH SH.A.*, ABOU ALGHASEMI H., PIRALI HAMEDANI M.
 
* INSTITUTE OF MEDICINAL PLANTS, ACECR, NO. 172, JANDARMERI ST., FAKHRERAZI ST. ENGHELAB AVE. TEHRAN, IRAN
 
Abstract: 

Background: Rosemary (Rosemarinus officinialis L.) is an aromatic, medicinal and condiment plant that belongs to the family labiatae, reaching a height of 1.5 meter. Essential oil of rosemary, known as rosemary oil, is extracted by hydrodistillation method from the fresh leaves and twigs. The yield ranges from 0.5 to 1.5 % (w/w).

Objective: Improving the total yields, determining minimum steam to be passed through the packed bed, evaluating influence of used multi-stage column and trend to change into important component with time of distillation are the aims of this work.

Methods: In this work, essential oil was extracted from rosemary plant by steam distillation method. For the extraction of essential oil by this method rosemary was exposed to the steam flow. The processes were done and the extraction yield was calculated. Then, the components of the essential oils analyzed by GC-MASS and GC instruments.

Results: Experiments that were conducted in multi-stage columns and decreased steam flow rate proved that an increase in the number of stages has a considerable effect upon the yield. Also analyses which were done on essential oils components during 5, 15, 30, 60 and 100 minutes intervals showed different extraction phenomena for three major components of the oil; a-pinene, 1, 8- cineol and camphor.
Conclusion: This study showed a direct correlation between increase of contact time of steam and increase of the yield. Also barrier effect of cell wall and boiling point of components affect extraction phenomena of them.

 
Keyword(s): MULTI-STAGE COLUMNS, ROSEMARY, ESSENTIAL OIL, STEAM DISTILLATION
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

MALEKI DOUZ ZADEH, M., & KHADIV PARSI, P., & REZAZADEH, S., & ABOU ALGHASEMI, H., & PIRALI HAMEDANI, M. (2007). STUDY OF THE PROCESS OF ESSENTIAL OIL EXTRACTION FROM ROSEMARY PLANT BY USING STEAM DISTILLATION METHOD. JOURNAL OF MEDICINAL PLANTS, 6(24), 101-110. https://www.sid.ir/en/journal/ViewPaper.aspx?id=104866



Vancouver: Copy

MALEKI DOUZ ZADEH M., KHADIV PARSI P., REZAZADEH SH.A., ABOU ALGHASEMI H., PIRALI HAMEDANI M.. STUDY OF THE PROCESS OF ESSENTIAL OIL EXTRACTION FROM ROSEMARY PLANT BY USING STEAM DISTILLATION METHOD. JOURNAL OF MEDICINAL PLANTS. 2007 [cited 2021August04];6(24):101-110. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104866



IEEE: Copy

MALEKI DOUZ ZADEH, M., KHADIV PARSI, P., REZAZADEH, S., ABOU ALGHASEMI, H., PIRALI HAMEDANI, M., 2007. STUDY OF THE PROCESS OF ESSENTIAL OIL EXTRACTION FROM ROSEMARY PLANT BY USING STEAM DISTILLATION METHOD. JOURNAL OF MEDICINAL PLANTS, [online] 6(24), pp.101-110. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104866.



 
 
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