Melatonin two-layer release-controlled tablet and preparing process thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHONGQING TAIJI MEDICAL RES INST CO LTD
- Publication Date
- 2004-04-14
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The invention belongs to the technical field of melatonin products, and in particular relates to a melatonin double-layer controlled-release tablet and a preparation process. technical background
[0002] Melatonin (melatonon molecular formula is C 13 h 16 N 2 o 2 , the chemical name is N-acetyl-5-methoxytryptamine. It plays an important regulatory role in human growth and development, reproduction, and metabolism, and has the effects of sedative and hypnotic, enhancing immune function, prolonging life and inhibiting tumors. The dosage forms of the varieties listed at home and abroad are: ordinary tablets, capsules, and ordinary sustained-release tablets. Ordinary tablets and capsules have the characteristics of fast onset of action, but short maintenance time; general sustained-release tablets have the characteristics of long maintenance time, but slow onset of action. Neither of these are well suited to the patient's needs.
[0003] The purpos...