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Comparative analysis of the composition of essential oils and supercritical carbon dioxide extracts from the berries and needles of Estonian juniper (Juniperus communis L.)
Abstract The composition of the volatile oil of the common juniper (Juniperus communis L.) from Estonia was analyzed by gas chromatography (GC-FID) and gas chromatography-mass spectrometry (GC-MS).Expand
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Composition of the essential oil of Artemisia absinthium L. of different geographical origin
Variations in the essential oil composition of Artemisia absinthium L. obtained from different geographical areas of Europe were determined using capillary gas chromatographic and mass spectrometricExpand
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Effect of storage on the essential oil composition of Piper nigrum L. fruits of different ripening states.
The qualitative and quantitative composition of the essential oil from black, green, and white pepper was determined by using a simultaneous distillation and extraction micromethod for oil isolationExpand
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Variation in the composition of the essential oil of Valeriana officinalis L. roots from Estonia
The volatile constituents from roots of Valeriana officinalis L. were investigated using GC and GC/MS methods. Valerianae radix samples were obtained from retail pharmacies or cultivated in Estonia.Expand
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Chemical investigation of the essential oil from berries and needles of common juniper (Juniperus communis L.) growing wild in Estonia
The essential oils obtained by simultaneous distillation and extraction (SDE) from the fresh and dried needles and dried berries of Juniperus communis L. of Estonian origin were subjected to GC-FIDExpand
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Composition of the Essential Oil of Levisticum officinale W.D.J. Koch from Some European Countries
Abstract Variations in the essential oil composition of Leviticum officinale W.D.J. Koch from different European countries were determined using capillary GC and GC/MS methods. The oils were obtainedExpand
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Variation in the Composition of the Essential Oil of Commercial Valeriana officinalis L. Roots from Different Countries
Abstract The volatile constituents from roots of Valeriana officinalis L. were investigated using GC and GC/MS methods. Valerianae radix samples were obtained from retail pharmacies of differentExpand
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Composition of the Oil and Supercritical Fluid CO2 Extract of Sweet Gale (Myrica gale L.) Fruits
Abstract Volatile compounds were isolated from air-dried fruits of sweet gale (Myrica gale L.) using supercritical fluid extraction with CO2 (SFE) and simultaneous distillation and extraction (SDE)Expand
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Content and composition of essential oils in some Asteraceae species
The content and composition of the essential oils of five Asteraceae species from Estonia were studied. The oil yields ranged from traces up to 0.2%. By using GC-FID and GC-MS methods a total of 115Expand
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Composition of Essential Oil of Aerial Parts of Chamomilla suaveolens from Estonia
Variations in the essential oil composition of aerial parts of pineapple weed (Chamomilla suaveolens (Pursh) Rydb.) growing wild in Estonia, were determined using GC/FID and GC/MS. Forty-fourExpand
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