![]() After HPMC is made into the capsule shell, it retains its natural composition, and there is no need to add any preservatives during the production process. It has wide adaptability, stable drug release speed, complete dissolution, and a more significant therapeutic effect with small individual differences. The HPMC in vegetarian capsules is chemically stable and does not react with air or water, nor does it undergo cross-linking reactions with some drugs. Compared to gelatin capsules, plant capsules have the advantages of stable properties, no brittleness under low humidity, stable capsule shell under high humidity, wide storage conditions, and no need to add any preservatives in the production process. Vegetarian capsules, on the other hand, are made from natural plants and primarily use medicinal hydroxypropyl methylcellulose (HPMC) as the main raw material. However, some companies also produce cow and sheep capsules, which are also considered halal capsules. Gelatin capsules are mainly made from animal skin and bones, with pig skin being the most commonly used. There are also glutinous rice capsules, but they are relatively rare due to their high production cost. The most commonly available empty capsules on the market are gelatin and vegetarian capsules. Empty capsules are generally made from different raw materials. In addition, some drugs require dissolution and absorption in the intestines, which is facilitated by the use of capsules that protect the drugs from being destroyed by gastric acid.Ĭapsules can be divided into soft and hard types, with e mpty capsules typically referring to the latter. ![]() ![]() Removing the capsule shell may result in drug loss, waste, and reduced efficacy. By packing these medications into capsules, their properties are protected from degradation and they are prevented from damaging the digestive organs and respiratory tract. Drugs packed in capsules are generally powders or granules that can irritate the esophagus and gastric mucosa, taste bad, volatilize easily, decompose in saliva, or be inhaled into the trachea. These capsules contain various drugs in powder or liquid form, which are meant to be swallowed. ![]() Capsules in medicine refer to capsules made of special film-forming materials, such as gelatin, cellulose, and polysaccharides. ![]()
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