Extraction method for artemisia argyi essential oil
A wormwood essential oil and extraction technology, applied in the directions of essential oil/spice, fat production, etc., can solve the problems of high solvent consumption and low extraction purity, and achieve the effects of improving purity, improving extraction rate and purity, and reducing the generation of impurities
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Embodiment 1
[0023] A kind of extracting method of wormwood essential oil is characterized in that, comprises the following steps:
[0024] Step 1: Pretreatment of raw materials: weigh the wormwood leaves and put them into distilled water for ultrasonic treatment. After 10 minutes, replace the distilled water with ultrasonic treatment for 10 minutes. Repeat 2 to 3 times until it is cleaned, then dry and pulverize to obtain the raw material crushed material, and perform ultrasonic treatment The ultrasonic frequency is 25KHz. Using ultrasonic cleaning can easily and effectively remove protein, glucose and other impurities on the surface of wormwood leaves, reduce the generation of impurities in the extraction process of wormwood essential oil, and improve the purity of wormwood essential oil. Moreover, it avoids the use of traditional solvents, such as ethanol, sodium hydroxide aqueous solution and other cleaning methods to increase the extraction cost and these solvents remain on the surface...
Embodiment 2
[0031] A kind of extracting method of wormwood essential oil is characterized in that, comprises the following steps:
[0032] Step 1: Pretreatment of raw materials: weigh the wormwood leaves and put them into distilled water for ultrasonic treatment. After 10 minutes, replace the distilled water with ultrasonic treatment for 10 minutes. Repeat 2 to 3 times until it is cleaned, then dry and pulverize to obtain the raw material crushed material, and perform ultrasonic treatment The ultrasonic frequency is 30KHz. Using ultrasonic cleaning can easily and effectively remove protein, glucose and other impurities on the surface of wormwood leaves, reduce the generation of impurities in the extraction process of wormwood essential oil, and improve the purity of wormwood essential oil. Moreover, it avoids the use of traditional solvents, such as ethanol, sodium hydroxide aqueous solution and other cleaning methods to increase the extraction cost and these solvents remain on the surface...
Embodiment 3
[0039] A kind of extracting method of wormwood essential oil is characterized in that, comprises the following steps:
[0040] Step 1: Pretreatment of raw materials: weigh the wormwood leaves and put them into distilled water for ultrasonic treatment. After 10 minutes, replace the distilled water with ultrasonic treatment for 10 minutes. Repeat 2 to 3 times until it is cleaned, then dry and pulverize to obtain the raw material crushed material, and perform ultrasonic treatment The ultrasonic frequency is 35KHz. Ultrasonic cleaning can easily and effectively remove protein, glucose and other impurities on the surface of wormwood leaves, reduce the generation of impurities in the extraction process of wormwood essential oil, and improve the purity of wormwood essential oil. Moreover, it avoids the use of traditional solvents, such as ethanol, sodium hydroxide aqueous solution and other cleaning methods to increase the extraction cost and these solvents remain on the surface of worm...
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