Alginates

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These chemicals are used as binders and emulsfiers. They are synthetically compounded and have caused many allergic reactions.

Alginates (Wikipedia)

Alginic acid, also called algin, is a naturally occurring, edible polysaccharide found in brown algae. It is hydrophilic and forms a viscous gum when hydrated. With metals such as sodium and calcium, its salts are known as alginates. Its colour ranges from white to yellowish-brown. It is sold in filamentous, granular, or powdered forms.

Alginic acid
Alginsäure.svg
Names
Other names
Alginic acid; E400; [D-ManA(β1→4)L-GulA(α1→4)]n
Identifiers
ChemSpider
  • None
ECHA InfoCard 100.029.697 Edit this at Wikidata
EC Number
  • 232-680-1
E number E400 (thickeners, ...)
UNII
Properties
(C6H8O6)n
Molar mass 10,000 – 600,000
Appearance White to yellow, fibrous powder
Density 1.601 g/cm3
Acidity (pKa) 1.5–3.5
Pharmacology
A02BX13 (WHO)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Macrocystis pyrifera, the largest species of giant kelp

It is a significant component of the biofilms produced by the bacterium Pseudomonas aeruginosa, a major pathogen found in the lungs of some people who have cystic fibrosis. The biofilm and P. aeruginosa have a high resistance to antibiotics, but susceptible to inhibition by macrophages.

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