sodium alginate


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al·gin

(al'jin),
A carbohydrate product of a seaweed, Macrocystis pyrifera; used as a gel in pharmaceutical preparations.
Synonym(s): sodium alginate

sodium alginate

NaC6H7O6, a purified carbohydrate product extracted from certain species of seaweed. It is used as a food additive and as a pharmaceutical aid.
See also: sodium
References in periodicals archive ?
The synthetic seeds prepared using 3% sodium alginate with 15 min exposure to 100mM CaCl2 were firm enough to be handled and transported easily without mechanical breakage of seeds.
Beads were prepared by dripping 5% (w/v) glycerol and 2.5% (w/v) sodium alginate into 3% (w/v) CaCl2 solutions.
Reagents used in the study were low viscosity sodium alginate 99.5% from brown algae, Reagent-Plus 99.5% NaSA, calcium chloride, orthophosphoric acid, acetic acid, and acetonitrile (Sigma Chemical Co, St Louis, MO, USA).
Subsequently, Ca[Cl.sub.2] solution or EDC-NHS solution is used to motivate gelation of sodium alginate or gelatin, respectively.
The design was completely randomized, in a 4x2 factorial scheme, with 4 coatings (4% acetic acid starch (S), S 2% + 2% chitosan (SC), S 2% + sodium alginate a 2% (SA), and witness (W), fruits without coatings) and 2 environments (refrigerated and room condition), in 4 replications.
Sodium alginate pH 5.5-7.7 (proquimios) and calcium chloride 96% purity (Vetec) were used calcium chloride and zinc nitrate at 98% purity, urea used with a maximum of impurity of 0.0235% (proquimios).
100% cotton cloth was coated with chitosan and sodium alginate polymer.
Comment: Sodium alginate is a compound derived from seaweed.
Calcium sodium alginate dressings demonstrate the highest quality among absorbent wound dressings.
Water-in-oil (W/O) emulsion was prepared by mixing 1% sodium alginate solution with rice bran oil.