Carrageenan has three types, Iota, Kappa, and Lambda. Iota Carrageenan forms flexible and elastic gel; Kappa Carrageenan forms strong and brittle gel; Lambda Carrageenan creates viscosity. Each type has unique properties useful in controlled release matrix formation.
Hydrophilic matrix former
|Typical use level
25 - 30%
|Benefits / Claims
Carrageenan provides near zero order release.
Different types of carrageenan give flexibility to tailor release profile according to drug requirements