Artichoke leaf extract with broad-spectrum antibacterial effect
A technology of artichoke extract and antibacterial effect, applied in the directions of antibacterial drugs, antifungal agents, resistance to vector-borne diseases, etc., can solve the problems of low utilization rate and achieve the effect of improving utilization rate
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Embodiment 1
[0022] Embodiment 1: the preparation of artichoke leaf extract
[0023] The preparation process specifically includes the following steps:
[0024] A: Steam the dried artichoke leaves at 110°C for 6 hours;
[0025] B: Dried the steamed artichoke leaves at 55°C and crushed to 50 mesh;
[0026] C: Extract the dried artichoke with 70% ethanol aqueous solution, heat reflux extraction for 3 times, each time for 1.5 hours, and combine the extracts; the volume of the ethanol aqueous solution is 20 times the mass of the artichoke;
[0027] D: Concentrate the extract and freeze-dry it under vacuum.
Embodiment 2
[0028] Embodiment 2: the preparation of artichoke leaf extract
[0029] The preparation process specifically includes the following steps:
[0030] A: Steam the dried artichoke leaves at 100°C for 8 hours;
[0031] B: Dried the steamed artichoke leaves at 50°C and crushed to 40 mesh;
[0032] C: Extract the dried artichoke with 60% ethanol aqueous solution, heat reflux extraction 3 times, each time for 1.5 hours, and combine the extracts; the volume of the ethanol aqueous solution is 25 times the mass of the artichoke;
[0033] D: Concentrate the extract and freeze-dry it under vacuum.
Embodiment 3
[0034] Embodiment 3: the preparation of artichoke leaf extract
[0035] The preparation process specifically includes the following steps:
[0036] A: Steam the dried artichoke leaves at 120°C for 4 hours;
[0037] B: Dried the steamed artichoke leaves at 60°C and crushed to 60 mesh;
[0038] C: Extract the dried artichoke with 80% ethanol aqueous solution by volume, heat reflux extraction for 3 times, each time for 1.5 hours, and combine the extracts; the volume of the ethanol aqueous solution is 15 times the mass of the artichoke;
[0039] D: Concentrate the extract and freeze-dry it under vacuum.
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