Prepn process of licoflavone from licorice and licorice slag
A technology of licorice flavonoids and licorice can be applied to chemical instruments and methods, preparation of sugar derivatives, sugar derivatives, etc., and can solve problems such as application limitations
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Embodiment 1
[0018] Preparation of licorice flavonoids from licorice waste residue.
[0019] Specific preparation process:
[0020] Add 15 liters of ethanol to 1.5 kg of licorice waste residue, soak for one day, filter, and concentrate under reduced pressure to obtain 90 grams of licorice flavonoids.
Embodiment 2
[0022] Preparation of licorice flavonoids from licorice waste residue.
[0023] Specific preparation process:
[0024] Add 15 liters of acetone to 1.5 kg of licorice waste residue, soak for one day, filter, and concentrate under reduced pressure to obtain 50 grams of licorice flavonoids.
Embodiment 3
[0026] Preparation of licorice flavonoids from licorice waste residue.
[0027] Specific preparation process:
[0028] Add 15 liters of methanol to 1.5 kg of licorice waste residue, heat and reflux for extraction for 2 hours, filter, and concentrate under reduced pressure to obtain 90 grams of licorice flavonoids.
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