Paper Information

Journal:   IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS   2015 , Volume 31 , Number 4 (72); Page(s) 732 To 742.
 
Paper: 

EVALUATION OF PHYTOCHEMICAL PROFILING OF DAMASK ROSE (ROSA DAMASCENA MILL.) AT VARIOUS POST-HARVEST INCUBATION CONDITIONS AND DETERMINATION OF THE BEST HYDRO-DISTILLATION TIME

 
 
Author(s):  MIRZAEI M., AHMADI N.*, SEFIDKON F., SHOJAEIYAN A., MAZAHERI A.
 
* DEPARTMENT OF HORTICULTURE, FACULTY OF AGRICULTURE, TARBIAT MODARES UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

Damask rose (Rosa damascena Mill.) is one of economically important species of the Rosaceae family for production of rose oil and rose water. High respiration rate of harvested flowers resulting from increasing temperature inside the stacks of flowers causes a reduction in the quantity and quality of essential oil. In order to study the effects of different storage conditions on essential oil yield and composition, we conducted a factorial analysis based on completely randomized design with three replications and factors of storage durations, temperatures, and incubation conditions. In addition, the effects of different duration of distillation process were investigated using a completely randomized design experiment in three replications by considering quality and quantity of extracted essential oils. Identification of chemical compositions of essential oils was performed by GC and GC/MS. The results indicated that the storage of Damask rose petals in water at 4oC, especially for 48 hours, resulted in a good amount of essential oil content as well as compositions compared to the other storage methods and even fresh petals, distillated just after harvesting. Moreover, the essential oil content increased by increasing the duration of distillation, so that a distillation time of 3 hours and 3.5 hours was identified as the best time for the oil extraction process in terms of yield and essential oil compounds.

 
Keyword(s): ROSA DAMASCENA MILL., ESSENTIAL OIL YIELD, STORAGE METHODS, OXYGENATED MONOTERPENES
 
References: 
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