Double-layer sustained release tablets for compensating iron and preparation thereof

A slow-release tablet and double-layer technology, which is applied in the direction of pharmaceutical formulas, medical preparations containing no active ingredients, medical preparations containing active ingredients, etc., can solve problems such as low utilization rate, lack of iron, and slow onset of action The effect is good, the preparation method is simple, and the effect of improving nutritional status
CN101322778AActive Publication Date: 2008-12-17BEIJING COMPETITOR SPORTS SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING COMPETITOR SPORTS SCI & TECH
Publication Date
2008-12-17

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Abstract

The invention relates to a double-layer sustained release tablet for supplementing iron, the double-layer sustained release tablet consists of a sustained release layer and a quick release layer laminating with each other at the weight ratio of 1:0.25-1:4; the sustained release layer consists of an iron-containing compound, a sustained release framework, an adhesive, a lubricant and a filler; the quick release layer consists of a traditional Chinese medicine for enriching the blood and / or invigorating vital energy, a filler, a disintegrating agent, an adhesive and a lubricant; the quick release layer can also be added with vitamins. In the double-layer sustained release tablet, by arranging the iron-containing compound in the sustained release layer and the traditional Chinese medicine in the quick release layer, the iron element is released slowly and uniformly, which increases the absorption rate, avoids gastrointestinal reaction caused by high-content iron; meanwhile the double-layer sustained release tablet supplements iron element and the traditional Chinese medicine which has the functions of enriching the blood and invigorating vital energy, thus fully improving the nutritional status caused by iron deficiency anemia and improving iron supplementing effect.
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Description

technical field

[0001] The invention belongs to the field of pharmaceutical preparations, and in particular relates to an iron-supplementing double-layer sustained-release tablet and a preparation method thereof. Background technique

[0002] Iron deficiency anemia is the most common malnutrition in the world today, and it is also very serious in China. The results of national nutrition monitoring in 2000 showed that the anemia rates of urban and rural children were 12.3% and 26.7% respectively, and that of pregnant women was as high as 35%. According to the "Nutrition and Health Status of Chinese Residents" survey carried out in 2002, although the prevalence of anemia among Chinese residents has declined, there is still a widespread lack of micronutrients such as iron and vitamin A. The average prevalence rate of anemia among Chinese residents is 15.2%, among which urban males are 10.6% and females are 17.0%; rural males are 12.9% and females are 18.8%. The rates were 24....

Claims

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