Products
  • Products
  • ALGINATES and ALGINIC ACID USP/NF, EP

ALGINATES and ALGINIC ACID USP/NF, EP

Alginates are natural hydrocolloids of vegetable origin that occur as a structural component in marine brown algae and give strength and flexibility to the plant.

In contrast to most other polysaccharide gels, alginate gels can develop instantaneously into acid gels in the presence of divalent cations, low pH and constant temperature. The gelling gives rise to a three dimensional network which determines the gel strength. Alginates with a high content of G-blocks give stronger gels while M-rich alginates give softer and more fragile gels. The molecular weight determines the viscosity of alginate solutions while the ratio of mannuronic acid to guluronic acid (M / G) determines the relative strength of the gel.

FMC’s range of alginates and alginic acids, offer unique gel forming, film forming, thickening and stabilizing properties.

Grade

 

 

Description

Applications

Type

Viscosity, mPa.s 
(% concentration)

Protacid F120NM

Alginic acid

-

Disintegrant in direct compression and wet granulation. Used in anti-reflux and effervescent tablets

Protanal LFR 5/60

Sodium alginate

300-700
(10%)

Anti-reflux suspensions, effervescent tablets and used as a gelling agent

Protanal CR 8133
(Keltone LVCR)

Sodium alginate

100-300
(2%)

Controlled-release formulations

Protanal CR 8223
(Keltone HVCR)

600-900
(1.25%)

Manucol LKX

60-170
(1%)

Protanal PH 6160
(Kelcosol NF)

1000-1500
(1%)

Protanal PH 1033

Sodium-calcium alginate

300-800
(0.5%)

Kelcoloid K3B426

Propylene glycol alginate

1000-1500
(2%)

Stabilizer, emulsifier and matrix former

This browser is not supported. For a better experience on Signet, update your browser.