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The molecular structures of different types of carrageenan. Carrageenans are large, highly flexible molecules that form curling helical structures. This gives them the ability to form a variety of different gels at room temperature. They are widely used in the food and other industries as thickening and stabilizing agents.
The following other wikis use this file: Usage on cs.wikipedia.org Karagenan; Usage on de.wikipedia.org Carrageen; Usage on el.wikipedia.org Καραγενάνη
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Chondrus crispus—commonly called Irish moss or carrageenan moss (Irish carraigín, "little rock")—is a species of red algae which grows abundantly along the rocky parts of the Atlantic coasts of Europe and North America. In its fresh condition it is soft and cartilaginous, varying in color from a greenish-yellow, through red, to a dark ...
A beer-fining agent that is suitable for vegetarians is Irish moss, a type of red algae containing the polymer chemical carrageenan. [8] However, carrageenan-based products (used in both the boiling process and after fermentation ) primarily reduce hazes caused by proteins , but isinglass is used at the end of the brewing process, after ...
Poligeenan is produced by the harsh acid degradation of carrageenan. Carrageenan in solution is processed at low pH (~1.0) and high temperature (90 °C (190 °F)) for up to six hours until the weight-average molecular weight (M w) has been reduced to the range 10,000 – 20,000 daltons (10–20 kDa).
Kappaphycus is a major source of carrageenan. Carrageenan is an additive used for thickening and preserving foods and drinks. Carrageenan is used for their rheological properties such as emulsifiers, binders. It is also used for suspension or stabilization in a wide range of pharmaceutical carriers, processed food products, and cosmetics.
Differences in carrageenan chemistry, with Hypneaceae species producing kappa-carrageenan and Cystocloniaceae producing lambda-carrageenan, was another reason for their distinction. [5] However, these criteria were questioned and molecular analysis later showed that the two families had similar vegetative and reproductive characters.