CARRAGEENAN

CARRAGEENAN


Synonymış  :Carrageenan, Chondrus extract, Irish moss extract

Biological Source :

It is sulphated polysaccharide extract of the sea weed called Carrageen; or Irish moss, the redalgae obtained from ChondrusCrispus (Rhodophyceae)



Geographical Source :

These red algae grow on the North Atlantic coast of Europe and North America.
France, Spain, Denmark and the USA are the major producers of carrageenan in the world market.

Method of Preparation


Carrageenan is found in the intercellular matrix and cell wall of the algae and constitutes about 60 - 80 per cent of dry weight.
The dried seaweed is first cleaned with cold water and mechanical devices so as to remove salt and other extraneous matter. It is further extracted with hot water containing sodium hydroxide or calcium hydroxide and by adjusting the pH to slightly alkaline range. The extract is obtained by filtration and the purity of the product is attained by precipitation with isopropyl alcohol or ethyl alcohol.

Uses


1.       Carrageenan is used as emulsifying agent, stabilizing agent, gelling, and viscosity builder in foodproducts. Tooth pastes, Creams, lotions and other Cosmetic products are prepared by using Carrageenan.
2.       In food industry, it is utilised in milk products, ice creams, chocolate, puddings, jams, gels in the concentration of 0.5 - 1.0 per cent.


Comments

Post a Comment

Popular posts from this blog

LACTOSE

LACTOSE Synonyms Lactose has several Synomyms: Milk sugar, Lactose monohydrate, LactinSaccharumlactis, Lactosemonohydricum. Biological source Lactose is a natural disaccharide consisting of galactose and glucose and obtained from milk of most mammals. Uses 1.     Lactose is widely used as a filler or diluent in tablets, capsules, and infant feed formulae beside in dry powder inhalations 2.     It is used in Combination with sucrose to prepare sugar Coating Solutions (Approx. 1:3). .
Read more

GUM KARAYA

GUM KARAYA Synonym Indiantragacanth, Sterculia gum; Karaya gum Biological Source Gum karaya is a dried gummy exudate obtained from the tree Sterculiaurens (Roxburgh); Sterculiavillosa (Roxburgh), Sterculiatragacantha (Lindley) or other species of Sterculia (Sterculiaceae) Gęographical Source Surterculiaurens is wide spread in India, especially in north central parts. Description It is found in the form of irregular tears or vermiform pieces from white to brown in Colour. It has slight acetous odour and bland mucilaginous taste. Wood fibres and small sand particles may be present in the drug. It is insoluble in water, but forms a translucent Colloidal solution. Powdered gum swells in water . Uses 1.       It swells about 60-100 times in water. It is neither digested nor absorbed by the body and hence, it is a good bulk laxative. 2.        It is also used as denture adhesive in denta...
Read more

ACACIA

                                                                ACACIA Synonym : Gucacia, Gum arabica, Indian gum Biological Source : Indian gum is the dried gummy exudation obtained from the stem and branches of wild Acacia arabicabélonging to family Leguminosae. Geographical Source : The plant is found in India, Sri Lanka, Sudan, Morocco and Africa. In India, it occurs in Punjab, Rajasthan and Western Ghats. About 85 per cent of world supply of gum acacia is from Sudan. Cultivation and Collection   : It is a common member of dry monsoon forests of India. It Is an evergreen tree with short trunk . It is not cultivated on commercial scale. Gum is Collected from wild grown plants, agent...
Read more