Preparation method of licorice cream
A licorice frost and licorice technology are applied in the field of preparation of licorice frost, and can solve the problems of easy storage and deterioration, low glycyrrhizic acid purity, long extraction time, etc., reduce the risk of spoilage, reduce the risk of spoilage, the process is green and environmental protection, and is easy to industrialize production. Effect
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Embodiment 1
[0028] Embodiment 1 A kind of preparation method of licorice cream, comprises the following steps:
[0029] (1) Remove impurities and mildew from the raw licorice, rinse it with clean water, dry it at 20°C for 12 hours, and crush it through an 80-mesh sieve to obtain licorice powder.
[0030] (2) Add licorice powder and 60% ethanol aqueous solution at a solid-to-liquid ratio of 1:10 g / mL into a high-speed homogenizer at room temperature with a rotation speed of 10,000 r / min, an extraction time of 30 min, and extraction times The homogenate extraction was carried out under the condition of 2 times, and the extract and filter residue were obtained respectively; the extract was first recovered under reduced pressure at 20 °C and a vacuum of 0.05 MPa to recover ethanol, and then dried at 25 °C for 3 h to obtain the alcohol extract thing.
[0031] (3) After drying the filter residue at 35 °C for 5 h, add it into the ammonia solution with a volume concentration of 1.5% at a solid-t...
Embodiment 2
[0034] Embodiment 2 A kind of preparation method of licorice cream, comprises the following steps:
[0035] (1) Remove impurities and mildew from the raw licorice, rinse it with clean water, dry it at 25°C for 10 hours, and crush it through an 80-mesh sieve to obtain licorice powder.
[0036] (2) Add licorice powder and 85% ethanol aqueous solution at a solid-to-liquid ratio of 1:12 g / mL into a high-speed homogenizer at room temperature with a rotation speed of 8000 r / min, an extraction time of 40 min, and extraction times The homogenate extraction was carried out under the condition of 2 times, and the extract and filter residue were obtained respectively; the extract was first recovered under reduced pressure at 22 °C and a vacuum of 0.055 MPa to recover ethanol, and then dried at 23 °C for 4 h to obtain the alcohol extract things.
[0037] (3) After drying the filter residue at 40°C for 4.5 h, add it into the ammonia solution with a volume concentration of 2.0% at a solid-...
Embodiment 3
[0040] Embodiment 3 A kind of preparation method of licorice cream, comprises the following steps:
[0041] (1) The raw material licorice was removed from impurities and mildew, rinsed with clean water, dried at 23°C for 11 h, and crushed through an 80-mesh sieve to obtain licorice powder.
[0042] (2) Add licorice powder and 80% ethanol aqueous solution with a volume concentration of 1:8 g / mL to a high-speed homogenizer at a rotation speed of 9000 r / min, extraction time of 25 min, extraction times The homogenate extraction was carried out under the condition of 2 times, and the extract and filter residue were obtained respectively; the extract was first recovered ethanol under reduced pressure at 25 °C and a vacuum of 0.06 MPa, and then dried at 20 °C for 4 h to obtain the alcohol extract things.
[0043] (3) After drying the filter residue at 40 °C for 4 h, add it to the ammonia solution with a volume concentration of 1.8% at a solid-to-liquid ratio of 1:15 g / mL, and extrac...
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