Medlar floating tablet for treating chronic gastritis and preparation method thereof
The invention relates to a gastric floating tablet and a technology for chronic gastritis, which is applied to the medlar floating tablet for treating chronic gastritis and the field of preparation thereof, and can solve the problems of low bioavailability of capsules, short duration of lesions, and many times of taking medicine, and achieve enhanced gastric mucosal protection, Significant medicinal effect and immune-boosting effect
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Embodiment 1
[0016] Take 800g wolfberry, clean it, dry it, grind it into a coarse powder, decoct it with purified water for three times, and decoct it with 8 times the amount of purified water for 1 hour each time, let it stand, filter, combine the filtrate, concentrate, add 95% ethanol to precipitate , filtered, concentrated and made into an extract with a relative density of 1.050 to 1.200, vacuum-dried, crushed, and passed through a 80-mesh sieve; dried, crushed, and passed through a 100-mesh sieve; The powder, 310g of hydroxypropylmethylcellulose and 70g of hydroxyethylcellulose are evenly mixed, added with appropriate amount of purified water to moisten to make granules, dried, and compressed into tablets to make finished Lycium barbarum gastric floating tablets.
[0017] Quality control: According to the requirements of the Chinese Pharmacopoeia, the appearance is complete and smooth, the color is uniform, and the hardness is suitable.
[0018] Weight difference: less than ±10%.
[...
Embodiment 2
[0023] Take 600g of wolfberry, clean it, dry it, powder it into a coarse powder, decoct it with purified water three times and decoct it with 10 times the amount of purified water for 1.5 hours each time, let it stand, filter, combine the filtrate, concentrate, add ethanol to precipitate, filter 1.050 ~ 1.200 concentrated extract, vacuum-dried, crushed, and passed through a 80-mesh sieve; dried, crushed, and passed through a 100-mesh sieve; the above-mentioned wolfberry extract and 73g of sea octopus powder, and hydroxypropyl octopus 300g of methylcellulose and 100g of hydroxyethylcellulose were moistened with an appropriate amount of purified water to make granules, dried, and pressed into tablets to make finished Lycium barbarum gastric floating tablets.
[0024] Quality control: According to the requirements of the Chinese Pharmacopoeia, the appearance is complete and smooth, the color is uniform, and the hardness is suitable.
[0025] Weight difference: less than ±10%.
...
example 3
[0030] Take 1000g wolfberry, clean it, dry it, powder it into a coarse powder, decoct it with purified water three times and decoct it with 8 times the amount of purified water for 2 hours each time, let it stand, filter, combine the filtrate, concentrate, add ethanol to precipitate, filter 1.050 ~ 1.200 concentrated extract, vacuum-dried, crushed, and passed through a 80-mesh sieve; dried, crushed, and passed through a 100-mesh sieve; the above-mentioned wolfberry extract and 70g of sea octopus powder, and hydroxypropyl octopus 300g of methylcellulose and 60g of hydroxyethylcellulose were moistened with an appropriate amount of purified water to make granules, dried, and pressed into tablets to make finished Lycium barbarum gastric floating tablets.
[0031] Quality control: According to the requirements of the Chinese Pharmacopoeia, the appearance is complete and smooth, the color is uniform, and the hardness is suitable.
[0032] Weight difference: less than ±10%.
[0033]...
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