Application of asparagus extract in preparing medicine for treating inflammation and medicine
A technology of asparagus extract and inflammation, which is applied in the application of medicine and the field of medicine, can solve the problems of reduced vasodilation, enlarged vascular tension, elevated blood pressure, etc., and achieves the effect of inhibiting inflammatory response and reducing inflammation
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Embodiment 1
[0048] Embodiment 1, the preparation of asparagus ethanol extract
[0049] The preparation method of asparagus ethanol extract comprises the steps:
[0050] (1), 10g of asparagus was frozen and ground at 4°C to form a homogenate, then added 1000mL of water-ethanol mixture (the volume fraction of ethanol was 75%), and controlled at 45°C for constant temperature extraction for 3 hours;
[0051] (2), step (1) was repeated 3 times, the alcohol extract was combined, and the extract was concentrated by a rotary evaporator at 45°C. After the ethanol was recovered, it was vacuum freeze-dried at a temperature lower than -50°C and a vacuum degree of less than 15Pa. The extract is obtained as a powder, that is, the ethanol extract of asparagus.
Embodiment 2
[0052] Embodiment 2, the preparation of asparagus ethanol extract
[0053] The preparation method of asparagus ethanol extract comprises the steps:
[0054] (1), 10g of asparagus is frozen and ground at 0°C to form a homogenate, then add 1000m of water-ethanol mixture (the volume fraction of ethanol is 50%), and control the leaching at a constant temperature of 45°C for 2 hours;
[0055] (2), step (1) was repeated 4 times, combined the alcohol extracts, concentrated the extracts with a rotary evaporator at 45°C, and vacuum freeze-dried at a temperature lower than -50°C and a vacuum degree of less than 15Pa after recovery of ethanol The extract is obtained as a powder, that is, the ethanol extract of asparagus.
Embodiment 3
[0056] Embodiment 3, the preparation of asparagus ethanol extract
[0057] The preparation method of asparagus ethanol extract comprises the steps:
[0058] (1) 10g of asparagus was frozen and ground at 6°C to form a homogenate, then 500mL of water-ethanol mixture (volume fraction of ethanol was 90%) was added, and extracted at a constant temperature of 50°C for 2 hours;
[0059] (2) Repeat step (1) twice, combine the alcohol extracts, concentrate the extracts with a rotary evaporator at 45°C, and freeze-dry them in vacuum under the condition that the temperature is lower than -50°C and the vacuum degree is less than 15Pa after the ethanol is recovered. The extract is obtained as a powder, that is, the ethanol extract of asparagus.
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