Method for preparing plum blossom extract, and plum blossom incense perfume
The technology of extract and plum blossom is applied in the field of deep processing of plum blossom, which can solve the problems of easy loss of floral components, difficulty in maintaining the aroma of plum blossom completely by aromatic oil, etc., and achieves the effects of prolonging the release time, advanced production technology and high yield.
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Embodiment 1
[0024] Take 50 kg of fresh green plums after sorting and soak them in 200 liters of petroleum ether for 36 hours and then filter; the filtrate (about 200 liters) is decompressed with a rotary evaporator to remove petroleum ether (bath temperature 40°C, vacuum degree 17.3-21.3kPa, condensed The receiver is condensed with brine calcium chloride at about -10°C, and the receiver is cooled and kept warm with the same brine). When all the filtrate is added and concentrated under reduced pressure to a semi-solidified state (crude paste), most of the solvent has been recovered. Crude The amount of solvent in the paste is very small; break the vacuum, add 9 liters of degassed absolute ethanol (to take out the remaining solvent) and mix well with the crude paste, the vacuum degree rises to 6.7-8.0kPa, and the bath temperature is 40°C to evaporate the ethanol- Petroleum ether was mixed with a solvent to obtain 118.9 grams of green plum extract.
Embodiment 2
[0026] Take 50 kg of fresh red plums after sorting and soak them in 200 liters of petroleum ether for 36 hours and then filter; The receiver is condensed with brine calcium chloride at about -10°C, and the receiver is cooled and kept warm with the same brine). When all the filtrate is added and concentrated under reduced pressure to a semi-solidified state (crude paste), most of the solvent has been recovered. Crude The amount of solvent in the paste is very small; break the vacuum, add 9 liters of degassed absolute ethanol (to take out the remaining solvent) and mix well with the crude paste, the vacuum degree rises to 6.7-8.0kPa, and the bath temperature is 40°C to evaporate the ethanol- Petroleum ether was mixed with a solvent to obtain 118 grams of red plum extract.
Embodiment 3
[0028] Take 50 kilograms of fresh wintersweet after sorting and soak in 200 liters of petroleum ether for 36 hours and then filter; -10 ℃ brine calcium chloride condenses, the receiver is cooled and kept warm with the same brine), when all the filtrate is added and concentrated under reduced pressure to a semi-solidified state (crude paste), most of the solvent has been recovered, the crude paste The amount of solvent in the medium is very small; break the vacuum, add 10 liters of degassed absolute ethanol (to take out the remaining solvent) and mix well with the crude paste, the vacuum degree rises to 6.7-8.0kPa, and the ethanol-petroleum is evaporated at a bath temperature of 40°C Ether mixed with solvents to obtain 130.9 grams of green plum extract.
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