Preparation method of abelmoschus manihot essential oil

• Main Authors: SHI WEIJING, ZHANG QINGHUA, LI LISHUN, LI XIANG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2014
• Subjects: 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

The invention relates to the technical field of essential oil and in particular relates to a preparation method of abelmoschus manihot essential oil. The preparation method comprises the steps of grinding abelmoschus manihot dried in the shade into powder; wrapping the abelmoschus manihot powder with filter paper, putting the abelmoschus manihot powder in an extractor, adding a low-boiling-point solvent, heating the solvent to carry out reflux and repeated extraction until the solvent is colorless, and cooling and collecting the extracting solution; concentrating the extracting solution to volatize all the solvent; filling the abelmoschus manihot extract with all the solvent volatized into the extractor, adding distilled water, shaking the extractor to mix the abelmoschus manihot extract with the distilled water, connecting with a reflux condensing tube, carrying out heating distillation until the essential oil in the extractor is no longer added, and cooling and collecting the oil layer; adding an inorganic