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Pharmaceutical Packaging Compatibility Test-Migration Test

Jun 09 , 2020

The extraction solvent used in the extraction test of the pharmaceutical packaging compatibility test is only similar to the preparation in terms of polarity, pH value and ionic strength, because it is not the actual prescription of the preparation, and the characteristics of the active ingredients or some auxiliary materials in the preparation , So that the interaction between the extraction solvent, the real preparation and the packaging material may be different, that is, the extractables obtained in the extraction test are inconsistent with the extracts obtained in the real preparation migration test.

Pharmaceutical Packaging Compatibility Test-Migration Test

pharma desiccant bottle

In addition, although some components in the packaging materials can be obtained in the extraction test, they will not migrate into the preparation in the migration test and stability test; but the extractable may be degraded or other Components react, and these degradation products or reaction products can migrate into the formulation. Therefore, based on the extraction test, the real preparation should still be used for migration test.

Pharmaceutical Packaging Compatibility Test-Migration Test

effervescent tubes

Migration tests are used to monitor substances that migrate from the packaging material and enter the formulation. Usually through accelerated or long-term stability tests (note that the preparation should be in full contact with the packaging material) to increase the corresponding detection target compound (derived from the understanding of the packaging component material composition or the extractable information obtained by the extraction test) to obtain the drug The information of the extract contained in it includes the type and content level of the extract.

In addition, if the packaging material is composed of different layers of materials (3-layer and 5-layer co-extruded film bags), it is not only necessary to evaluate the possibility of the innermost component migrating into the drug, but also the middle and outer components should be considered. Possibilities in drugs; At the same time, it must also be proved that the ink or adhesive in the outer layer will not migrate into the drug. Semipermeable material packaging should be researched on the outer layer of ink or adhesive will not migrate into the drug.

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