Wormwood-extract-containing itch-relieving ointment and preparation method thereof
The technology of an extract and wormwood, which is applied in the field of antipruritic ointment containing wormwood extract and its preparation, can solve the problems of unfavorable popularization and application, numerous medicinal flavors, and complicated ingredients, and achieve non-toxic and side effects, long-lasting and stable drug effect, The effect of preparation process stability
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Embodiment 1
[0020] Example 1. The antipruritic ointment containing wormwood extract of the present invention and its preparation The antipruritic ointment containing wormwood extract in this embodiment is prepared from the following raw materials in parts by weight: 58 parts of wormwood extract, Moringa leaf 22 parts, 26 parts of mountain silver flower, 50 parts of glycerin, 135 parts of liquid paraffin, 114 parts of stearic acid, 9 parts of triethanolamine and 586 parts of water. The weight ratio of described wormwood volatile oil and wormwood alcoholic extract is 0.4: 1;
[0021] The preparation method of the wormwood volatile oil comprises the following steps: take fresh wormwood, grind it and place it in a supercritical carbon dioxide extraction device, control the flow of carbon dioxide to 18L / h, the extraction pressure to 20MPa, the extraction temperature to 32°C, and the extraction time For 1.5h, vacuum separation to obtain wormwood volatile oil, keep the wormwood residue;
[0022...
Embodiment 2
[0027] Example 2, the antipruritic ointment containing wormwood extract of the present invention and its preparation The antipruritic ointment containing wormwood extract in this embodiment is prepared from the following raw materials in parts by weight: 50 parts of wormwood extract, 25 parts, 25 parts of mountain silver flower, 40 parts of glycerin, 140 parts of liquid paraffin, 110 parts of stearic acid, 10 parts of triethanolamine and 600 parts of water.
[0028] The wormwood extract is composed of wormwood volatile oil and wormwood alcohol extract, and the wormwood volatile oil and wormwood alcohol extract
[0029] The weight ratio of wormwood is 0.2: 1; the preparation method of described wormwood volatile oil comprises the steps: get fresh wormwood, place in supercritical carbon dioxide extraction device after being minced, and control carbon dioxide flow rate is 16L / h, and extraction pressure is 20MPa, The extraction temperature is 35°C, the extraction time is 2 hours, ...
Embodiment 3
[0035] Embodiment 3, the antipruritic ointment containing wormwood extract of the present invention and its preparation
[0036] The antipruritic ointment containing wormwood extract in this example is prepared from the following raw materials in parts by weight: 60 parts of wormwood extract, 20 parts of Moringa oleifera leaves, 30 parts of mountain silver flower, 60 parts of glycerin, 130 parts of liquid paraffin, 120 parts of stearic acid, 8 parts of triethanolamine and 572 parts of water.
[0037] The wormwood extract is composed of wormwood volatile oil and wormwood alcohol extract, and the weight ratio of the wormwood volatile oil and wormwood alcohol extract is 0.6: 1;
[0038] The preparation method of the wormwood volatile oil comprises the following steps: take fresh wormwood, grind it and place it in a supercritical carbon dioxide extraction device, control the carbon dioxide flow rate to 20L / h, the extraction pressure to 15MPa, the extraction temperature to 30°C, an...
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