| 摘要 |
<p>A coating for a drug wherein said coating is formed at least partly from seaweed and/or kelp or extracts derived from seaweed and/or kelp which is impervious to gastric acidity but denaturable by alkali found in the intestines. Suitably the coating comprises a capsule which also incorporates a binder or alternatively, the coating may comprise barium sulfate or other acid resistant bulking agent.</p> |
