Houttuynia cordata scalding spray film agent and preparation method thereof
A technology of Houttuynia cordata and film-spraying agent, which is applied in the direction of medical formulas, medical preparations containing active ingredients, plant raw materials, etc., can solve the problems of less research and application, and achieve simple and convenient methods, long storage time, and good stability Effect
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Embodiment 1
[0040] A kind of Houttuynia scald film spraying agent, is made up of the raw material composition of following parts by weight:
[0041] Houttuynia cordata mixed extract: 75 parts,
[0042] Ice flakes: 5 parts,
[0043] Polyvinylpyrrolidone: 50 parts;
[0044] A preparation method of Houttuynia scald film spraying agent, comprising the following processing steps:
[0045] (1) Preparation of extract: Weigh 40 parts by weight of Houttuynia cordata, 10 parts of rhubarb, 15 parts of Polygonum cuspidatum and 10 parts of honeysuckle, chop them up and mix them, add 2 times the amount of 80% ethanol And heated and refluxed for 3 times, each time for 1h, after filtering, the filtrate was combined for 3 times, evaporated and concentrated to half to obtain the mixed extract of Houttuynia cordata;
[0046] (2) Weigh 50 parts of polyvinylpyrrolidone, add it to the mixed extract of Houttuynia cordata, and stir evenly;
[0047] (3) After dissolving 5 parts by weight of borneol with ethan...
Embodiment 2
[0050] A kind of Houttuynia scald film spraying agent, is made up of the raw material composition of following parts by weight:
[0051] Houttuynia cordata mixed extract: 100 parts,
[0052] Ice flakes: 3 parts,
[0053] Polyvinylpyrrolidone: 50 parts;
[0054] A preparation method of Houttuynia scald film spraying agent, comprising the following processing steps:
[0055] (1) Preparation of extract: Weigh 50 parts by weight of Houttuynia cordata, 15 parts of rhubarb, 20 parts of Polygonum cuspidatum and 15 parts of honeysuckle, chop them up and mix them, add 2 times the amount of 75% ethanol And heated and refluxed for 3 times, each time for 1h, after filtering, the filtrate was combined for 3 times, evaporated and concentrated to half to obtain the mixed extract of Houttuynia cordata;
[0056] (2) Weigh 50 parts of polyvinylpyrrolidone, add it to the mixed extract of Houttuynia cordata, and stir evenly;
[0057] (3) After dissolving 3 parts by weight of borneol with etha...
Embodiment 3
[0060] A kind of Houttuynia scald film spraying agent, is made up of the raw material composition of following parts by weight:
[0061] Houttuynia cordata mixed extract: 88 parts,
[0062] Ice flakes: 4 parts,
[0063] Polyvinylpyrrolidone: 50 parts;
[0064] A preparation method of Houttuynia scald film spraying agent, comprising the following processing steps:
[0065] (1) Preparation of extract: Weigh 45 parts by weight of Houttuynia cordata, 12 parts of rhubarb, 18 parts of Polygonum cuspidatum and 13 parts of honeysuckle, chop them up and mix them, add 2 times the amount of 80% ethanol And heated and refluxed for 3 times, each time for 1h, after filtering, the filtrate was combined for 3 times, evaporated and concentrated to half to obtain the mixed extract of Houttuynia cordata;
[0066] (2) Weigh 50 parts of polyvinylpyrrolidone, add it to the mixed extract of Houttuynia cordata, and stir evenly;
[0067] (3) After dissolving 4 parts by weight of borneol with ethan...
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