How to Make Rosemary Essential Oil, and Can It Be Used Directly?
This article covers the production process and technical key points in the manufacture and processing of rosemary essential oil. If you want to make rosemary essential oil yourself, you can read this article; it is both simple and allows you to make good rosemary essential oil, which will certainly be helpful to you.
The preparation steps for rosemary essential oil are as follows:
(1) Alcohol aging: Take glutinous rice alcohol amounting to 94.0% of the total formula ratio, add 1.0% rosemary essential oil and 0.3% musk, stir with a stainless steel mixer for 15-30 min, pour into a stainless steel or dark amber glass container, and seal and leave at 15°C for 6 months;
(2) Spice blending and aging: After mixing the remaining rosemary essential oil and musk, add glutinous rice alcohol amounting to 6.0% of the total formula ratio, stir with a stainless steel mixer for 15-30 min, pour into a stainless steel or dark amber glass container, and seal and age at 15°C for 6 months;
(3) Mixing: Mix the aged alcohol, the aged blended spices and purified water in proportion, stir with a stainless steel mixer for 15-30 min, pour into a stainless steel or dark amber glass container, and seal and age at 15°C to allow the impurities in the musk to fully settle, so as to achieve clarity of the liquid; during the aging period, the fragrance of the rosemary water gradually changes from rough to delicate and soft, and the aging time is 12 months;
(4) Cooling: Place the mixed liquid at -5°C to freeze, so that the insoluble waxes in the spices precipitate out;
(5) Filtration: Use a filter press, and add diatomaceous earth as a filter aid to adsorb precipitated particles and prevent the sediment from blocking the filter cloth pores. After adding the filter aid, cool the perfume to 0-3°C and maintain this temperature during filtration. After the sediment is filtered out, return to room temperature, then pass through a fine-pore cloth filtration once more to make the perfume clear and transparent;
(6) Coloring: According to market needs, use oil-based liquid food-grade coloring to adjust the color of the perfume;
(7) Bottling: Fill the finished perfume into custom glass perfume bottles, leaving 10-15% of the bottle volume as empty space to prevent the bottle from breaking due to expansion.
The characteristics of the rosemary single-note essential oil perfume described in this invention: rosemary is highly volatile and has a fresh, penetrating herbal scent. The rosemary single-note essential oil perfume described in this invention uses a single rosemary as the main body, with low-volatility musk as the fixative for this perfume. It belongs to the single-flower type of perfume. The top note gives a rich rosemary feeling, highlighting individuality and attracting attention. The middle note presents a mixed main scent dominated by rosemary with a faint musk. After 18-20 hr, in the base note, under the action of musk, the lasting time of the perfume on the smelling paper varies with temperature from 7-12 days.
Can rosemary essential oil be used directly? Generally, essential oils cannot be used directly. If you want to use them directly, you must be sure to ask a doctor, and pay attention to the amount used. Let us first look at its general methods of use.