Method for extracting Blumea balsamifera oil
The technology of Aina sesame oil and extraction method, which is applied in the field of natural products, can solve the problems of long time consumption, high temperature, and low yield, and achieve the effects of simple operation, reduced loss, and improved quality and yield
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Embodiment 1
[0032] Weigh 500g of Aina japonica leaves that were naturally dried in the shade, crush them before use, pass through a 40-mesh sieve, put them in a 5L distillation device, add 3500mL of distilled water, ultrasonicate for 20 minutes, and soak for 3 hours. Under the condition of a vacuum of 0.06Mpa, turn on the low-temperature circulating water pump (10°C) and heater (45°C), reflux in a slightly boiling state, and replenish water at the same time, reflux for 2 hours, turn off the heater, and continue to cool the condensed water for 10 minutes. Collect 5.12 g of crystals adhered in the condenser and aromatic water collection device; collect 4100 mL of aromatic water, extract with an equal volume of petroleum ether for 1 hour, separate the liquids, add anhydrous sodium sulfate to the petroleum ether phase to dry, and heat in a water bath (30 ℃), petroleum ether was recovered under reduced pressure, and 11.23 g of a yellow oily substance was obtained, and the crystallization and the ...
Embodiment 2
[0034] Weigh 500g of fresh Aina japonica leaves, crush them before use, pass through a 10-mesh sieve, put them into a 5000mL distillation device, add 3000mL of distilled water, sonicate for 10 minutes, and soak for 1 hour. Under the condition of a vacuum of 0.1Mpa, turn on the low-temperature circulating water pump (15°C) and the heating device (85°C) to make it reflux, replenish water at the same time, reflux for 5 hours, turn off the heater, and continue to cool the condensed water for 10 minutes. Collect the adhered crystals in the condenser and the aromatic water collection device to be 4.82g; collect the aromatic water to obtain 4800mL, extract with an equal volume of petroleum ether for 1.5 hours, separate the liquids, add anhydrous sodium sulfate to the petroleum ether phase to dry, and heat in a water bath (35 ℃), petroleum ether was recovered under reduced pressure, and 12.53 g of a yellow oily substance was obtained, and the crystallization and the yellow oily substan...
Embodiment 3
[0036] Weigh 500g of Aina japonica leaves dried at 50°C, crush them before use, pass through an 80-mesh sieve, put them into a 5000mL distillation apparatus, add 3500mL of distilled water, ultrasonicate for 60 minutes, and soak for 6 hours. Under the condition of a vacuum of 0.08Mpa, turn on the low-temperature circulating water pump (5°C) and the heating device (65°C) to make it reflux, replenish water at the same time, reflux for 8 hours, turn off the heater, and continue to cool the condensed water for 10 minutes. Collect 4.79g of crystals adhered in the condenser and aromatic water collection device; collect 4800mL of aromatic water, extract with an equal volume of petroleum ether for 2 hours, separate the liquids, add anhydrous sodium sulfate to the petroleum ether phase to dry, and heat in a water bath (30 ℃), petroleum ether was recovered under reduced pressure, and 11.39 g of a yellow oily substance was obtained, and the crystallization and the yellow oily substance wer...
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