Effect of Pulsed Electric Fields on Yield and Chemical Composition of Rose Oil (Rosa damascena Mill.)

被引：10

作者：

Tintchev, Filip ^{[1
]}

Dobreva, Ana ^{[2
]}

Schulz, Hartwig ^{[3
]}

Toepfl, Stefan ^{[1
]}

机构：

[1] German Inst Food Technol, D-49610 Quakenbruck, Germany

[2] Inst Roses & Aromat Plants, Kazanluk 6100, Bulgaria

[3] Fed Res Ctr Cultivated Plants, Julius Kuhn Inst, Inst Ecol Chem Plant Anal & Stored Prod Protect, D-06484 Quedlinburg, Germany

来源：

JOURNAL OF ESSENTIAL OIL BEARING PLANTS | 2012年 / 15卷 / 06期

关键词：

Rosa damascena Mill; pulsed electric fields; essential oil; DISTILLATION; QUALITY;

D O I：

10.1080/0972060X.2012.10662589

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

To improve the comparatively low oil yield, pulsed electric fields have been applied on fresh rose blossoms with an energy input of 10 kJ/kg as well as 20 kJ/kg. It was reported a rise in yield of 2-46 %, additionally the distillation time could be reduced. An increase of ratio terpene alcohols/hydrocarbones from 33 % to 285 % was observed in treated rose oil. To elucidate the influence on petal structure, scanning electron microscopy was used. The determination of yield increase, chemical composition and olfactory evaluation showed that a pulsed electric fields treatment at 10 kJ/kg was optimal with regard to product yield and quality.

引用

页码：876 / 884

页数：9

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