| abstract |
The invention relates to an essential oil composition and a preparation method thereof. The formula essential oil is composed of 50-60 parts of yellow tea, 20-30 parts of mulberry leaves, 5-10 parts of base oil and 5-15 parts of Biluochun tea tree flowers according to the volume and number ratio. composition. Distill 50 parts of yellow tea with steam for 2-10 hours, then condense and separate oil and water to obtain yellow tea essential oil; put 30 parts of mulberry leaves and 15 parts of Biluochun tea tree flowers into a 2000ml flask, add 500ml of distilled water, and extract by water distillation 5h; after the extraction, 30ml of ether was added to the extract for extraction, the ether layer was dried by adding an appropriate amount of anhydrous Na 2 SO 4 for 30 min, filtered and then placed in a 40°C water bath to evaporate the ether solvent to obtain the mixed essential oil of mulberry leaf Biluochun tea tree flower; The obtained yellow tea essential oil, the mixed essential oil of mulberry leaf Biluochun tea tree flower essential oil and the base oil are mixed and formulated to obtain an essential oil composition. The essential oil mixture of the invention can disperse wind-heat, clear lung and moisten dryness, calm liver and improve eyesight, cool blood and stop bleeding, and at the same time, it has the functions of increasing skin defense ability and reducing skin tension. |