EN
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Effect of Tween-20 Adding to Distillation Water on Rose Oil Yield and Quality in Fresh and Fermented flowers of Oil-bearing Rose (Rosa damascena Mill.)
Abstract
Oil-bearing rose (Rosa damascena Mill.) is the most important species, producing a highvalue
aromatic oil, which is used in the fragrance and cosmetic industries. The aim of this study was
to determine the influence of Tween-20 during hydro-distillation on essential oil yield and quality in
fresh and fermented flowers of oil-bearing rose grown in Isparta region. Essential oils produced by
Clevenger hydro-distillation were analyzed by GC/FID and GC/MS. Rose oil yield changed from
0.025% to 0.035%. Oil yield increased with Tween-20 application and decreased with fermentation.
The rose oils distilled from fermented flowers had lower percentages of linalool, geranial, geranyl
acetate, nerol, geraniol, phenylethyl alcohol and farnesol, and higher percentages of cis-rosenoxide,
citronellyl acetate, citronellol, phenylethyl acetate, nonadecane, nonedecene, eicosane, methyl
eugenol, heneicocane and tricosane than the oils distilled from fresh flowers. It was necessary to
distillate the fresh flowers without waiting in order to get high quality. Furthermore, the oil yield
could be increased by Tween-20 treatment during the hydro-distillation.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
Türkçe
Konular
-
Bölüm
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Yayımlanma Tarihi
30 Haziran 2007
Gönderilme Tarihi
1 Haziran 2007
Kabul Tarihi
-
Yayımlandığı Sayı
Yıl 2007 Cilt: 2 Sayı: 1