Ibuprofen oral suspension and preparation method thereof
A technology of suspension and raw materials, applied in the field of medicine, can solve the problems of ibuprofen unable to maintain body temperature, drug aggregation and sedimentation or floating, easy aggregation of drug particles, etc. Effects of immunity
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[0025] In addition, the present invention also provides the preparation method of above-mentioned ibuprofen suspension, comprises the steps:
[0026] S201: add sucrose, xanthan gum and pregelatinized starch into water and disperse evenly to obtain a slurry; the ratio of the total mass of sucrose, xanthan gum and pregelatinized starch to the mass of water is 1:(0.8~1.1);
[0027] S202: Under vacuum conditions, add glycerin, Tween 80 and citric acid to water, disperse evenly, add crushed ibuprofen, add the obtained mixed solution to the slurry, then add sodium benzoate, essence, pigment red and the second Other raw materials in the two components; the ratio of the total mass of glycerin, Tween 80 and citric acid to the mass of water is 1: (1.0 ~ 1.2); the vacuum degree under vacuum conditions is -0.092MPa ~ -0.08MPa, pulverized The particle size of the final ibuprofen does not exceed 75 μm.
[0028] S203: Crush all the raw materials in the third component and mix them evenly wi...
Embodiment 1
[0033] The present embodiment provides a kind of ibuprofen suspension, in every 100mL ibuprofen suspension, comprise the raw material of following weight ratio: ibuprofen 1.0g, glycerol 9g, sucrose 27g, pregelatinized starch 1.2g, Xanthan gum 0.15g, Tween 80 0.04g, citric acid 0.15g, sodium benzoate 0.15g, essence 0.1g and pigment red 0.003g.
[0034] According to above-mentioned raw material, adopt the preparation method of ibuprofen suspension provided by the invention, prepare 100mL ibuprofen suspension:
[0035] S101: adding sucrose, xanthan gum and pregelatinized starch into water and dispersing evenly, the ratio of the total mass of sucrose, xanthan gum and pregelatinized starch to the mass of water is 1:1.1 to obtain a slurry;
[0036] S102: Add glycerin, Tween 80 and citric acid to water under the condition of vacuum degree of -0.08MPa, the ratio of the total mass of glycerin, Tween 80 and citric acid to the mass of water is 1:1.2, and after the dispersion is uniform ...
Embodiment 2
[0038] The present embodiment provides a kind of ibuprofen suspension, in every 100mL ibuprofen suspension, comprise the raw material of following weight ratio: ibuprofen 5.0g, glycerol 11g, sucrose 32g, pregelatinized starch 1.4g, Xanthan gum 0.25g, Tween 80 0.06g, citric acid 0.25g, sodium benzoate 0.2g, essence 0.3g and pigment red 0.006g.
[0039] According to above-mentioned raw material, adopt the preparation method of ibuprofen suspension provided by the invention, prepare 100mL ibuprofen suspension:
[0040] S101: adding sucrose, xanthan gum and pregelatinized starch into water and dispersing evenly, the ratio of the total mass of sucrose, xanthan gum and pregelatinized starch to the mass of water is 1:0.8 to obtain a slurry;
[0041] S102: Add glycerin, Tween 80, and citric acid to water under the condition of a vacuum of -0.092MPa, the ratio of the total mass of glycerin, Tween 80, and citric acid to the mass of water is 1:1.0, and after uniform dispersion Add crush...
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