METHOD FOR OBTAINING ETHERIC OILS AND/OR CONSTITUENTS OF ETHERIC OILS FROM MOIST EXTRACTION MATERIAL

The invention relates to a method for obtaining etheric oils and/or constituents of etheric oils from the peel of citrus fruits and/or herbs which have a high residual moisture content, comprising the steps a) extraction of the moist extraction material with an extraction agent mixture comprising at...

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Bibliographische Detailangaben
Hauptverfasser:	HANDRICK, Stefan, HINRICHS, Frank, GLISOVIC, Anja
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES METALLURGY PERFUMES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	The invention relates to a method for obtaining etheric oils and/or constituents of etheric oils from the peel of citrus fruits and/or herbs which have a high residual moisture content, comprising the steps a) extraction of the moist extraction material with an extraction agent mixture comprising at least one polar and at least one nonpolar solvent for obtaining a miscella, wherein the extraction material is selected from citrus fruit peel and/or residues from the juice production from citrus fruits and/or herbs, wherein the extraction material has a residual moisture content of 5 to 95% by mass, measured on the total mass of the extraction material, wherein the extraction agent mixture contains at least one nonpolar solvent in a proportion of 45 to 95% by volume, measured on the total volume of the extraction agent mixture, wherein the extraction agent mixture has a temperature above ambient temperature but below the boiling point of the lowest boiling-point solvent or the lowest boiling-point azeotrope of the extraction agent mixture, b) separating the miscella from the extraction material, c) distillative separation of the miscella or distillative separation of the extraction agent mixture from the etheric oil and/or the constituents of the etheric oils.