Method for extracting grapefruit flower essential oil

The invention relates to a method for extracting grapefruit flower essential oil. The method for extracting the grapefruit flower essential oil includes the following steps that grapefruit flowers arefrozen, ground and freeze-dried, and freeze-dried grapefruit flower powder is obtained; the freeze-d...

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Bibliographische Detailangaben
1. Verfasser:	LING YUANQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM METALLURGY PERFUMES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
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Beschreibung
Zusammenfassung:	The invention relates to a method for extracting grapefruit flower essential oil. The method for extracting the grapefruit flower essential oil includes the following steps that grapefruit flowers arefrozen, ground and freeze-dried, and freeze-dried grapefruit flower powder is obtained; the freeze-dried grapefruit flower powder is mixed with enzymatic hydrolysate, the PH value is adjusted to be 4.5-6, ultrasonic-assisted enzymolysis is carried out, and grapefruit flower essential oil crude extract is obtained after enzymolysis is completed; the grapefruit flower essential oil crude extract issubjected to water vapor reduced pressure distillation, and distillate is collected, wherein the temperature of water vapor reduced pressure distillation is 40-50 DEG C; the distillate is subjected to oil-water separation, an oil layer is reserved, then the oil layer is dried, and the grapefruit flower essential oil is obtained. By means of the method for extracting the grapefruit flower essential oil, the quality of the