carrageenan

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carrageenan

[‚kar·ə′gē·nən]
(organic chemistry)
A polysaccharide derived from the red seaweed (Rhodophyceae) and used chiefly as an emulsifying, gelling, and stabilizing agent and as a viscosity builder in foods, cosmetics, and pharmaceuticals. Also spelled carrageenin.
References in periodicals archive ?
In human colonic epithelial cells, carrageenan triggers innate immune pathways of inflammation.
Older studies showed that another inflammatory mechanism of carrageenan is through its effects on tumor necrosis factor-alpha (TNF-a).
Carrageenan belongs to a group of polysaccharides extracted from certain species of red seaweeds.
And with dedicated professional buyers and crop analysts present locally in the producer countries, they supply their carrageenan customers with risk management solutions.
The Experimental setup for the estimation of carrageenan using the air spager as an underwater sound generator and a wide band hydrophone transducer is the receiving sensor of the sound signals as shown in Figure 1.
The one third octave band frequency spectrum at 4 cm for different concentration levels of carrageenan is shown in Figure 2.
Carrageenans precipitated were separated from the ethanol-water mixture by filtration under rarefying through a porous glass filter (porosity No.
Then the algae mixture was thoroughly washed and used for the extraction of carrageenans (in 20-fold mass of boiling water).
When the Food and Drug Administration (FDA) considered the status of carrageenan in the early 1970s, their review included a study of 24 rhesus monkeys with appropriate controls (4,5).
However, in 2001 the JECFA apparently did not endorse any specific restriction on the molecular weight of food-grade carrageenan.
Molecular weight distribution and hydrolysis behavior of carrageenans.
Effect of orally administered food-grade carrageenans on antibody-mediated and cell-mediated immunity in the inbred rat.