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Sustained Release - Matrix Tablets

Hydrophilic polymers may be included in tablets in order to form a viscous, gelling layer which retards water penetration and acts as a barrier to drug release.

Drug release is accomplished by diffusion through and erosion of this barrier. Zero-order release profiles can be achieved by selection of appropriate polymers and other fillers/ binders.

The use of our carrageenan and alginate in this application provide: 

  • Suppression of acid burst seen with basic drugs
  • 24-hour release rates
  • Release profiles that can be tailored by combining gelling and viscous grades

Recommended Products:
Viscarin® GP-209, GP-379
PROTANAL® CR 8133
MANUCOL® LKX
PROTANAL® 8223

Find out more

You are welcome to contact us for more information.