Ultrasonic-assisted extraction method for tung oil
An auxiliary extraction and ultrasonic technology, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of no application of ultrasonic waves, mature and standardized technology for extracting tung oil, and achieve bright color, less impurities, and low extraction temperature Effect
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[0028] The following is a detailed description in conjunction with the embodiments:
[0029] 1. Experiment of extracting tung oil
[0030] ①Select mature Tung tree fruits and get 6.04g Tung tree seeds by removing the husk and seed coat;
[0031] ② Dry the Tung tree seeds in a drying box at 120°C for 1.5 to 2 hours. The quality difference before and after drying is ±0.5%. After cooling, crushed to obtain Tung oil seed powder;
[0032] ③Mix the tung oil seed powder and ethyl acetate at a ratio of 1g:10ml and place them in a triangular flask. After sealing, place them at 40°C and continue to act on ultrasonic waves for 1.5 hours; filter the mixture with suction to remove the solid residue oil dregs, and collect the filtrate;
[0033] ④ Carry out the oil meal once according to step ③, and combine the filtrate obtained with step ③;
[0034] ⑤ The filtrate was distilled under reduced pressure through a rotary evaporator at 40° C. and a negative pressure of 0.06-0.08 Mp to obtain 3.92 g of tun...
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