Plant source antibacterial agent and preparation method thereof
A plant and bacterial agent technology, applied in the field of daily chemical products, can solve the problems of non-pathogenic bacteria and pathogenic bacteria infection, product loss of commercial value, carcinogens or allergens, etc., to extend the shelf life, non-toxic side effects, avoid The effect of oil seepage
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[0034] In the present invention, the preparation method of Pulsatilla pulsatillae extract comprises the following steps:
[0035] (1) After taking 10g of Pulsatilla pulsatillae and pulverizing it, add 150ml of 65wt% ethanol aqueous solution, heat and reflux for 3 hours, filter, and recover the filter residue for subsequent use;
[0036] (2) After the filtrate obtained in step (1) is concentrated, it is diluted with distilled water, after being adsorbed by AB-8 resin, it is eluted with 60wt% ethanol for 45 minutes, and the eluent is concentrated and dried to obtain A powder;
[0037] (3) Take the filter residue in step (1), dry it, add 90wt% ethanol and 0.8 to 2 times the volume of the powder material after drying, extract with microwave for 1 hour, centrifuge and precipitate, and filter out the supernatant. Concentrate and dry to obtain B powder, and blend the A powder and B powder obtained in the step (2) in a weight ratio of (3-5): 1 to obtain the Pulsatilla pulsatillae extr...
Embodiment 1
[0063] Example 1 provides a plant-derived bacteriostatic agent, which includes Pulsatilla pulsatilla extract 20, Zanthoxylum bungeanum extract 14, and Spanish moss extract 20 in parts by weight.
[0064] The preparation method of the Korean pulsatilla extract comprises the following steps:
[0065] (1) After taking 10g of Pulsatilla pulsatillae and pulverizing it, add 150ml of 65wt% ethanol aqueous solution, heat and reflux for 3 hours, filter, and recover the filtrate and filter residue for subsequent use;
[0066] (2) After the filtrate obtained in step (1) is concentrated, it is diluted with distilled water, after being adsorbed by AB-8 resin, it is eluted with 60wt% ethanol for 45 minutes, and the eluent is concentrated and dried to obtain A powder;
[0067] (3) Take the filter residue in step (1), dry it, add 90wt% ethanol and 0.8 times the volume of ionic liquid after drying, microwave extraction for 1 hour, centrifuge, filter out the clear liquid, concentrate and dry D...
Embodiment 2
[0074] Example 2 provides a plant-derived bacteriostatic agent, which includes Pulsatilla pulsatillae extract 33, Zanthoxylum bungeanum extract 36, and Spanish moss extract 38 in parts by weight.
[0075] The preparation method of the Korean pulsatilla extract comprises the following steps:
[0076] (1) After taking 10g of Pulsatilla pulsatillae and pulverizing it, add 150ml of 65wt% ethanol aqueous solution, heat and reflux for 3 hours, filter, and recover the filtrate and filter residue for subsequent use;
[0077] (2) After the filtrate obtained in step (1) is concentrated, it is diluted with distilled water, after being adsorbed by AB-8 resin, it is eluted with 60wt% ethanol for 45 minutes, and the eluent is concentrated and dried to obtain A powder;
[0078] (3) Take the filter residue in step (1), dry it, add 90wt% ethanol of 5 times the volume of the powder material and 2 times the volume of ionic liquid, extract by microwave for 1 hour, centrifuge and precipitate, filt...
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