The Effect of Seawater Used for Hydrodistillation on Essential Oil Yield and Composition of Oil-Bearing Rose (Rosa damascena Mill.)

Year 2017, Volume: 4 Issue: 3, Special Issue 2, 423 - 428, 20.12.2017

Nimet Kara , Sabri Erbaş , Hasan Baydar

https://doi.org/10.21448/ijsm.375120

Cited By: 4

Abstract

Oil-bearing
rose (Rosa damascena Mill.)
is the most important rose species having a high-value volatile oil, used in
the fragrance and cosmetic industries. Epidermal cells of the flower petals are
the main essential oil source. During the boiling process of hydrodistillation,
the essential oil in the cells diffuses through the cell walls by means of
osmosis. The purpose of this research was to find out what happens when
seawater or salt water used instead of distilled water for hydrodistillation.
Fresh rose flowers collected at full blooming stage in the early hours of
morning were distilled with pure water (control) and Mediterranean seawater
using Clevenger hydrodistillation apparatus. Constituents of essential oils
obtained by hydro distillation were identified with GC-FID/MS apparatus. Essential
oil yield were not significantly affected by the distillation practices.
However, the hydrodistillation with seawater gave a little higher yield as
0.045% than the hydrodistillation with pure water as 0.042%. A total of 23
essential oil constituents were detected by GC-FID/MS analyses. The main
compounds in both rose oils distilled by tap water and seawater were
citronellol, geraniol, nerol, and nonadecane. As results, hydrodistillation of
oil-bearing rose with seawater provided a statistically insignificant increase
in the essential oil yiled from 0.040 to 0.045%, but caused a significant
decrease in citronellol rate from 41.49 to 33.56 %, and significant inceraeses
in geraniol rate from 17.58 to 27.44 % and nerol rate from 6.45 to 12.21 %. The
results obtained from this research should be examined in more detail at
industrial scales.

Keywords

Oil-bearing-rose, essential oil, distillation, seawater treatment

The Effect of Seawater Used for Hydrodistillation on Essential Oil Yield and Composition of Oil-Bearing Rose (Rosa damascena Mill.)

Abstract

Oil-bearing rose (Rosa damascena Mill.) is the most important rose species having a high-value volatile oil, used in the fragrance and cosmetic industries. Epidermal cells of the flower petals are the main essential oil source. During the boiling process of hydrodistillation, the essential oil in the cells diffuses through the cell walls by means of osmosis. The purpose of this research was to find out what happens when seawater or salt water used instead of distilled water for hydrodistillation. Fresh rose flowers collected at full blooming stage in the early hours of morning were distilled with pure water (control) and Mediterranean seawater using Clevenger hydrodistillation apparatus. Constituents of essential oils obtained by hydro distillation were identified with GC-FID/MS apparatus. Essential oil yield were not significantly affected by the distillation practices. However, the hydrodistillation with seawater gave a little higher yield as 0.045% than the hydrodistillation with pure water as 0.042%. A total of 23 essential oil constituents were detected by GC-FID/MS analyses. The main compounds in both rose oils distilled by tap water and seawater were citronellol, geraniol, nerol, and nonadecane. As results, hydrodistillation of oil-bearing rose with seawater provided a statistically insignificant increase in the essential oil yiled from 0.040 to 0.045%, but caused a significant decrease in citronellol rate from 41.49 to 33.56 %, and significant inceraeses in geraniol rate from 17.58 to 27.44 % and nerol rate from 6.45 to 12.21 %. The results obtained from this research should be examined in more detail at industrial scales.

Keywords

Oil-bearing-rose, essential oil, distillation, seawater treatment

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