Daidai flower essential oil, and preparation method and application thereof
A technology of tortoise and tortoise flower and essential oil is applied in the application and preparation of tobacco, essential oil/spice and other directions, which can solve the problems of bad smell solvent residue, the fragrance is not elegant and pure, the sensory quality level is low, etc., and achieves good market application prospects and aroma Elegance, elegant and pure, aroma and pure effect
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[0026] The embodiment of the present invention provides a preparation method of toi dai flower essential oil, comprising the following steps:
[0027] S01. To provide the raw materials of toi toi flowers, and to obtain the toi toi flower scraps after selection, impurity removal and crushing;
[0028] S02. Subcritical extraction of the toi dai flower fragments is carried out to obtain a dai toi flower extract;
[0029] S03. Winterizing the Toi Toi flower extract to obtain the Toi Toi flower crude essential oil;
[0030] S04. Add the toi toi flower crude essential oil into the molecular distillation equipment, adjust the distillation temperature of the molecular distillation equipment to be 10-100°C, the condensation temperature to be 0-20°C, the pressure to be 1-100Pa, and the speed to be 200-300r / min, carry out molecular distillation separation and purification to obtain light components and heavy components, and collect the light components to obtain the essential oil of To...
Embodiment 1
[0047] A preparation method of toi toi flower essential oil, comprising the following steps:
[0048] S11. Provide raw materials of dried toi toi flowers, select, remove impurities, crush, and sieve, and grind to 50 mesh to obtain toi toi flower scraps.
[0049] S12. Place the tortoise flower fragments in a subcritical extraction equipment, and use dimethyl ether subcritical fluid to extract at 40° C., the extraction pressure is 1 MPa, and the carrier agent propylene glycol is used in an amount of 3% of the raw material. Extract for 1 hour, After the extraction is finished, adjust the pressure of the equipment, and perform gas-liquid separation to obtain the daisy flower extract; the subcritical fluid dimethyl ether is gasified and collected for recycling.
[0050] S13. Add 5 times of 95% ethanol to the toi dai flower extract to redissolve, refrigerate at -5-10°C for 24 hours, then filter to remove insoluble matter, and recover the solvent from the filtrate, which is the toi d...
Embodiment 2
[0054] A preparation method of toi toi flower essential oil, comprising the following steps:
[0055] S21. Provide raw materials of dried toi toi flowers, select, remove impurities, crush, and sieve, and grind to 70 meshes to obtain toi toi flower scraps.
[0056] S22. Place the tortoise flower fragments in subcritical extraction equipment, extract with propane subcritical fluid at 45°C, the extraction pressure is 0.5MPa, the carrier agent glycerin, the dosage is 2% of the raw material, extract for 2 hours, extract After the end, adjust the pressure of the equipment, and carry out gas-liquid separation to obtain the toito flower extract; the subcritical fluid dimethyl ether is gasified and collected for recycling.
[0057] S23. Add 8 times of 95% ethanol to the toi dai flower extract to redissolve, refrigerate at -5-10°C for 24 hours, then filter to remove insoluble matter, and recover the solvent from the filtrate, which is the toi dai flower crude essential oil.
[0058] S2...
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