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This seaweed contains soluble alginates as well as alginic acid, which catalyzes the bacterial decomposition of organic matter. [ 1 ] [ 62 ] This process improves soil quality by enhancing populations of nitrogen-fixing bacteria and by supplementing the soil with additional conditioners through the waste products produced by these bacteria.
Alginates from different species of brown seaweed vary in their chemical structure, resulting in different physical properties of alginates. Some species yield an alginate that gives a strong gel , another a weaker gel, some may produce a cream or white alginate, while others are difficult to gel and are best used for technical applications ...
Alginates are used in industrial products such as paper coatings, adhesives, dyes, gels, explosives and in processes such as paper sizing, textile printing, hydro-mulching and drilling. Seaweed is an ingredient in toothpaste, cosmetics and paints. Seaweed is used for the production of bio yarn (a textile). [57]
Alginate, a kelp-derived carbohydrate, is used to thicken products such as ice cream, jelly, salad dressing, and toothpaste, as well as an ingredient in exotic dog food and in manufactured goods. [44] [45] [46] Alginate powder is also used frequently in general dentistry and orthodontics for making impressions of the upper and lower arches. [47]
Saccharina japonica is also used for the production of alginates, with China producing up to ten thousand tons of the product each year. [6] S. japonica contains very high amounts of iodine. Excessive consumption (15 g/day, containing 35 mg iodine) suppresses thyroid function, though thyroid hormone levels remain within normal limits. [7]
Sodium alginate (NaAlg) Alginates are the natural product of brown algae and have been used extensively in wound dressing, drug delivery and tissue engineering, as well as food applications. [9] [10] [11] Sodium alginate is an unbranched copolymer of 1,4-linked-β-d-mannuronate (M) and α-l-guluronate (G) sugars.
An alginate dressing is a natural wound dressing derived from carbohydrate sources released by clinical bacterial species, in the same manner as biofilm formation. These types of dressings are best used on wounds that have a large amount of exudate .
One of these products is used in lithium-ion batteries. [55] Alginic acid is used as a stable component of a battery anode. This polysaccharide is a major component of brown algae, and is not found in land plants. Alginic acid can also be used in aquaculture. For example, alginic acid enhances the immune system of rainbow trout.
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