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Paper Information

Journal:   JUNDISHAPUR JOURNAL OF NATURAL PHARMACEUTICAL PRODUCTS   FEBRUARY 2014 , Volume 9 , Number 1; Page(s) 35 To 38.
 
Paper: 

DIURNAL VARIATION OF ESSENTIAL OF THE OIL COMPONENTS OF PYCNOCYCLA SPINOSA DECNE. EX BOISS

 
 
Author(s):  ASGHARI GHOLAMREZA*, HOUSHFAR GHOLAMALI, MAHMOUDI ZAHRA, ASGHARI MATIN
 
* ISFAHAN PHARMACEUTICAL SCIENCES RESEARCH CENTER, ISFAHAN UNIVERSITY OF MEDICAL SCIENCES, ISFAHAN, IR IRAN
 
Abstract: 

Background: Pycnocycla spinosa Decne. ex Boiss is an aromatic plant which showed relaxant effects on isolated ileum contractions and antidiarrheal activity. Thirty four components have been extracted from P. spinosa essential oil, of which several major constituents were found to show seasonal variation.
Objectives: The aim of this work is to evaluate the diurnal variation of its oil constituents during specific hours of the day.
Materials and Methods: The Pycnocycla spinosa samples were collected at different times of the day. The hydro-distilled aerial parts oils of collected P. spinosa were analyzed by GC and GC/MS.
Results: Fourteen monoterpenoid and nine sesquiterpenoid components were identified, of which the fluctuating constituents were p-cymene, trans-
b-ocimene, b-citronellol, citronellyl pentanoate, geranyl isovalerate, a-humulene, caryophyllen oxide, a-cadinol, and a-eudesmol. The content of p-cymene in the essential oil in different daily times varied from 0.16 to 4.19%, and the geranyl isovalerate 7.75 -23.99%.
Conclusions: Essential oils with different qualities can be obtained according to the harvest time of the plant in a day.

 
Keyword(s): OILS, VOLATILE, PLANTS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY
 
References: 
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