Artemisia vulgaris essence and preparation method thereof
A wormwood essence, wormwood technology, applied in separation methods, essential oils/fragrance, chemical instruments and methods, etc., can solve the problems of additive pollution, loss of freshness of products, and change of fragrance profile, etc.
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[0030] A preparation method of wormwood essence comprises the following steps:
[0031] (1) Wash the fresh wormwood stems and leaves and soak them in water for 20 minutes, then put them in liquid nitrogen for 5 minutes, then take them out and place them at room temperature for 5 minutes, then immerse the whole sieve basket in liquid nitrogen for 10 minutes, repeat this twice;
[0032] (2) drying the wormwood in the step (1) at a low temperature, then pulverizing and passing through a 5-mesh sieve; to obtain the wormwood powder;
[0033] (3) Put the wormwood powder into the microwave equipment for intermediate frequency microwave treatment for 10S;
[0034] (4) Preparation of additives: mixing clear water, acetone, ethanol, ether, glucose, and sugarcane juice to prepare additives;
[0035] (5) Put the wormwood powder and the additive into the extraction kettle evenly, and put supercritical CO into the extraction kettle. 2 , control the temperature of the extraction kettle to ...
Embodiment 2
[0046] A preparation method of wormwood essence comprises the following steps:
[0047] (1) Wash the fresh wormwood stems and leaves and soak them in water for 30 minutes, then put them in liquid nitrogen for 10 minutes, then take them out and place them at room temperature for 10 minutes, then immerse the whole sieve basket in liquid nitrogen for 20 minutes, repeat this twice;
[0048] (2) drying the wormwood in the step (1) at a low temperature, then pulverizing and crossing a 30-mesh sieve; obtaining the wormwood powder;
[0049] (3) Put the wormwood powder into the microwave equipment for intermediate frequency microwave treatment for 15S;
[0050] (4) Preparation of additives: mixing clear water, acetone, ethanol, ether, glucose, and sugarcane juice to prepare additives;
[0051] (5) Put the wormwood powder and the additive into the extraction kettle evenly, and put supercritical CO into the extraction kettle. 2 , control the temperature of the extraction kettle to be 5...
Embodiment 3
[0062] A preparation method of wormwood essence comprises the following steps:
[0063] (1) Wash the fresh wormwood stems and leaves and soak them in water for 25 minutes, then put them in liquid nitrogen for 8 minutes, then take them out and place them at room temperature for 8 minutes, then immerse the whole sieve basket in liquid nitrogen for 15 minutes, repeat this 3 times;
[0064] (2) drying the wormwood in the step (1) at a low temperature, then pulverizing and crossing a 20-mesh sieve; obtaining wormwood powder;
[0065] (3) Put the wormwood powder into the microwave equipment for intermediate frequency microwave treatment for 13S;
[0066] (4) Preparation of additives: mixing clear water, acetone, ethanol, ether, glucose, and sugarcane juice to prepare additives;
[0067] (5) Put the wormwood powder and the additive into the extraction kettle evenly, and put supercritical CO into the extraction kettle. 2 , control the temperature of the extraction kettle to be 45°C,...
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