Method for extracting areca nut extract from fresh areca nuts
A technology of extract and betel nut, which is applied in the field of preparation of areca nut extract, can solve the problems of underutilized application value and low extraction rate of areca nut polyphenols, and achieve the effect of promoting treatment effect, improving efficiency, quality, and NO content
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[0024] Example 1
[0025] A method for preparing betel nut extract from betel nut fresh fruit, including the following steps:
[0026] S1. Pretreatment: Take the fresh betel nut and add a mixed solution of sodium hydroxide and ethanol twice the weight of the fresh betel nut, in which the mass ratio of sodium hydroxide and ethanol is 2:5; soak the fresh betel nut at 55°C for 30 minutes, separate and soak the fresh betel nut liquid;
[0027] S2. Steam explosion: steam explosion of the fresh betel nut under 2.2Mpa and 220s under pressure;
[0028] S3. Strong electric field extraction: mix the steam explosion product of step S2 with the soaking liquid of step S1, the mass ratio of A liquid to the steam explosion product is 2:1; the A liquid is composed of ethanol, acetic acid, and citric acid in a mass ratio of 9 :3:2 mixed production; extract with a strong electric field, the electric field intensity is 1.9kV, the pulse frequency is 1900Hz, the electrode spacing is 2mm, and the extracti...
Example Embodiment
[0030] Example 2
[0031] A method for preparing betel nut extract from betel nut fresh fruit, including the following steps:
[0032] S1. Pretreatment: Take the fresh betel nut and add 4 times the weight of the fresh betel nut with a mixed solution of sodium hydroxide and ethanol, where the mass ratio of sodium hydroxide and ethanol is 4:8; soak the fresh betel nut at 65°C for 10 minutes, separate and soak the fresh betel nut liquid;
[0033] S2, steam explosion: steam explosion of the fresh betel nut under 2.4Mpa, maintaining pressure for 180s;
[0034] S3. Strong electric field extraction: mix the steam explosion product of step S2 with the soaking liquid of step S1, the mass ratio of A liquid to the steam explosion product is 3:1; the A liquid is composed of ethanol, acetic acid, and citric acid in a mass ratio of 7 :Mixed 2:1; extract with a strong electric field, the electric field intensity is 2.1kV, the pulse frequency is 2100Hz, the electrode spacing is 4mm, and the extracti...
Example Embodiment
[0036] Example 3
[0037] A method for preparing betel nut extract from betel nut fresh fruit, including the following steps:
[0038] S1. Pretreatment: Take the fresh betel nut, add 3 times the weight of the fresh betel nut with sodium hydroxide and ethanol mixed solution, wherein the mass ratio of sodium hydroxide and ethanol is 3:7; soak the fresh betel nut at 60℃ for 20 minutes, separate and soak the fresh betel nut liquid;
[0039] S2, steam explosion: steam explosion of the fresh betel nut under 2.3Mpa, maintaining pressure for 200s;
[0040] S3. Strong electric field extraction: mix the steam explosion product of step S2 with the soaking liquid of step S1, and add liquid A, the mass ratio of liquid A to the steam explosion product is 2.5:1; the liquid A is composed of ethanol, acetic acid, and lemon The acid is prepared by mixing with a mass ratio of 8:3:1; extraction is carried out with a strong electric field, the electric field intensity is 2.0kV, the pulse frequency is 200...
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