Is sodium alginate a natural thickener?

Yes Sodium alginate is a natural polysaccharide and carbohydrate extracted from kelp, which is widely used in food, medicine, textile, printing and dyeing, paper making, daily chemical and other products, as a natural thickener, emulsifier, stabilizer, adhesive, sizing agent and so on. Sodium alginate is also called sodium alginate, kelp gum and so on. It is a white or light yellow powder, a highly hydrophilic polymer, which is easily soluble in water and becomes a viscous colloid. Sodium alginate is made from kelp or seaweed.